Shadowing Practice: Acebeam L16 v2.0 Review - Long Range Tactical Flashlight - Learn English Speaking with Video

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Hello YouTube!

Flashlight enthusiasts here.

Finally, I got my hands on the new Acebeam L16 2.0,

which is a little upgrade of their old L16 long-range tactical flashlight.

What I immediately noticed is the small form factor,

despite using a higher capacity 21700 SL and still focusing on over 600 meters of throw.

Quick note I got this flashlight directly from Acebeam free of charge however

if you are interested in this model I have a special coupon code for our community FAT15

that gives you 15% of discount so

if you'd like to purchase Acebeam products make sure to use

this coupon code for additional savings this does support the channel quite a bit.

Acebeam L16 2.0 comes in an attractive standard Acebeam box with flashlight picture on it

and key stats representing what could you expect.

On the rear we've got some company information, magnetic opening is also quite nice and inside you'll find a bunch of accessories.

A good quality velcro holster with Acebeam logo,

stretchy fabric and some standard attachments to your belt also plastic during the fitting is quite good actually

definitely fits the holster quite well the flashlight itself with the included battery

of course an adjustable wrist lineart with ace beam logo a short usb to usbc charging cable

two spare o-rings and usb-c charging port rubber cover last

but not least all the warnings warranty

and user manual in different languages before operating make sure to remove the lens cover

as well as unscrew the tail cap and remove the insulation film from the battery compartment

so here it is the new age beam l16 2.0 what i immediately noticed is

that this flathead is quite compact for a 21 700 cell

obviously we've got a standard excellent quality of azim this matte

finish of analyzation is the highest quality i know on the market

so definitely a reliable tool we've got this single switch uh

on the side stainless also nice metal one some engravings hot markings this nice knurling here on the battery tube

which gives you nice grip even with wet hands

but it's not aggressive on your pockets whatsoever we've got the

pre-installed stainless steel pocket clip hard anodized on the black color this is press fit

so you can remove it easily with enough force

but you'll also scratch the anodization so i wouldn't do

that here on the tail cap you've got your lanyard attachment two of them actually

but put lanyard here make sure it goes on the side of it

because it will disturb the tail standing feature

which is by far quite stable without the lanyard we've got nice stainless steel bezel also black one

so this looks quite stealth in my view definitely in tactical style

and as we notice we've got some threads on the bezel here that's because you've got an optional accessories of

orange filter that you can actually screw down to the bezel and now we've got our beam in orange color.

It is definitely a good accessory

and as you can see there is an anti-reflective coating here

to minimize the light losses however you do lose plenty of light with such filters

and I really wish it was a red one instead of orange one

because as you can see right now on the beam shot section the beam is literally orange

which i wouldn't find useful red one is definitely more standard

to me it gives you this illusion of warm white led

which might be the case

but in tactical situations i don't really think it might be useful let me know in the comment section below

if you know application of such filter moving on there is this tail cup with a single tactical switch

and usbc charging port here under this rubber cover

which i'll show you in a second unscrewing the tail cap

will reveal a nice set of unanodized threads again uh this

is the direction 8b is going from some time uh i really don't like this one

because you cannot lock out the flashlight physically

which might be quite problematic in some cases nevertheless we've got

highest quality spring down there everything looks really premium here as

you would expect from acebeam there is included 21700 cell the

highest capacity on the market right now 15 amps rated this

is a good cell however acebeam thought about us flashlight enthusiasts

and you can use the standard unprotected 21700 cells as well in the flashlight

so because of the length difference the tension on the spring will be a little bit

lighter however you can easily use the flashlight

and it does not cause any issues in my view as

there is second spring down there in the battery tube as you can see we've got dual tube design

so the signal from the switch goes directly to the driver located in the head.

However, as I mentioned, you cannot lock out the flashlight physically

because the tube is glued on this side and here you've got an unanalyzed thread.

So the only option that you can lock out the flashlight is by electronic, which is in the UI luckily.

On the tail cap, ASB Incorporated also the USB-C charging port, which is covered by this rubber cover that sits quite tightly, mind you, which is quite good.

and down there we've got the standard usbc charging port

which is always a nice addition

and as you can see there is this hole right there

and acebeam offers an additional accessory the tactical switch

that could be used with this usbc charging port plug

that also can be secured by the screw right there

so definitely a tactical application here here is your led charging indicator

and once you plug in your usbc charging port you can see

that there is green that fully charged

because I charged it almost 30 minutes ago

and there is also the red one which means charging in process

and I have to comment here

because as you can see right now on the screen the charging is painfully slow for today's standards

and it took me over six hours to fully charge the included 5000 mAh battery

which is just absurd so I truly pity every user of LS16

that does not have an external charger

and it has to rely on a super slow usbc charging in this flashlight

if that would be your duty light

which is quite good choice uh in my view you definitely need to have a spare cell

or two because the charging is just absurdly slow all right moving on

and there is this excellent reflector and led choice here

so we've got quite a deep reflector despite the small head

and there's SFT 40 a meter so quite small die

that will illuminate and this results in a super focused beam

that will throw over 600 meters

which is definitely a great result from such a compact flashlight

and the beam is also quite bright around 2000 lumens which is more than enough in most cases.

Maybe I forgot to mention this

but I got the 5000k version my opal meter however shows

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a little bit high numbers like 5500k in terms of the ui is quite simple we've got the side switch

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and you've got the tail switch tail switch is basically your turbo output shortcut

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so we've got momentary when you have press and

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when you fully press you've got your turbo constant on

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and one single click will turn the flashlight off

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and that's basically the function of tail switch so instant access to turbo

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when you need it but the rest is definitely

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serviced by this side switch

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so one click for on one click for off you can

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hold the button from off to go into the ultra low

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which is quite low actually i really like that one and

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when you hold the switch from on you cycle through low medium medium to high

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and in the loop

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so we've got four modes in the loop double tap for

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turbo output double tap again to return to the previous use mode

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which is also quite convenient you've got triple click for stroke mode one click for off

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and you've also got your lockout function as i mentioned before

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so you have to hold the switch from off wait for the moonlight mode to appear

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and then wait for blinks

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and now your flashlight is locked out what i missed here is some kind of indicator of the battery level

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which is usually located in some vicinity of the switch in

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ace beam however here in this particular flashlight i think they missed it

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so you've got only your charging indicator under this rubber cover

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which is actually covered while not using your charging

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and it does not act as a battery indicator

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so you have to rely on the uh runtime your intuition

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or whatever this flashlight just does not warn you

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when the battery is running low just lowering the brightness so

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if you start seeing

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that flashlight is not shining as bright as it used to then you probably need to replace the batteries

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so here are my lumen measurements of the 8beam l16 2.0

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and it included 5000 nm power battery

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if you need more time feel free to pause the video we can all agree

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that we buy 8beam products for the quality but also for the performance

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and l16 is not the exception here i measured around 1848

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lumens at start this is the 5000k version mind you only included 5000 mAh battery

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and as you can see we've got over 2 minutes

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and 40 seconds of stable performance before stepping down from over

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1557 lumens over the quick step now over the course of

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20 seconds to around 800 lumen level with flashlight body achieving around 45 degrees celsius mind you

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and as you can see

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and as you would expect from 8beam you've got nice regulated driver

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and flat output regulation around 825 lumens sustained for exactly two

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hours before as i mentioned flashlight starts to smoothly decrease the brightness leaving you slowly in the dark

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which is one thing i have to criticize in this excellent

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performance i repeat excellent really excellent performance of the l16 2.0

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and if you go one mode down

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which is the high mode here i measured around 864 lumens and as you As you can see, no step down whatsoever until the 2 hours and 13 minutes mark

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wherein flashlight steps down from over or around 758 lumens to infinity zero.

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So smooth output decrease with flashlight body stabilizing 50 degrees Celsius.

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This is definitely getting hot, but not too hot to handle.

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And again, I'm really disappointed in this smooth ramping towards zero without any warning. so Thank

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you. so Thank

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you so

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Thank you. so so

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So, summing up, I really liked the Acebeam L16 2.0 and the design and overall idea of flashlight.

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I definitely agree that the driver is excellent on this one

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and sustaining a whopping 800-ish lumens for over two hours is

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definitely a great result for a flashlight with this head size and even with single emitter.

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The run times are really great and the performance of this flashlight is undoubtedly respectable.

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Having over 600 meters of range with this pocket size

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and instant access to strobe mode and turbo mode is definitely a great companion in duty situations but also outdoor adventures.

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What I miss in this flashlight is definitely a battery indicator and first of all quick charging.

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We live in the times when we all value our times

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and I think that installing one amps charging with such high capacity battery is definitely a killer for such a model.

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Last but not least unanalyzed threads is definitely a safety concern for me

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because you cannot lock out the flashlight physically which might get handy in some travel situations or even tactical scenarios.

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Overall definitely great design and application however with some flaws that might be too much for the users to handle.

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If you are interested in purchasing your first

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or maybe another Acebeam flashlight make sure to check out the

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coupon code below this video it will save you some money and help the channel quite a bit.

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Please let me know in the comment section below what do

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you think about the Acebeam L16 maybe you own one

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or maybe you like to get one

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but was hesitant before the review make sure to leave your comment down below this video click the like button

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and the subscribe button not to support the algorithm on this channel not to miss any future videos that I release,

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thank you so much for watching and we'll see you in the next one.

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Vocabulary and speaking notes for this lesson

This B2 speaking lesson is built on the video “Acebeam L16 v2.0 Review - Long Range Tactical Flashlight”. The speaker keeps coming back to these words: flashlight, definitely, charging, acebeam, battery. This video has 176 sentences and 2129 words to shadow. The speech runs for 17:15. The speaker talks at a steady 123 words per minute, a comfortable pace for shadowing. Only 80% of the words are among the 3,000 most common in English, so the vocabulary is demanding.

Key vocabulary in this video

The 15 most advanced words in the video, with pronunciation and meaning:

Word	Pronunciation	Meaning
flashlight noun	/ˈflæʃˌlaɪt/	A battery-powered hand-held light source.
beam noun	/ˈbiːm/	Any large piece of timber or iron long in proportion to its thickness, and prepared for use.
lumen noun	/ˈlumən/	In the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one…
tactical adjective	/ˈtæktɪk(ə)l/	Of or relating to tactics.
turbo noun	/ˈtɝ.boʊ/	A turbine.
indicator noun	/ˈɪn.dɪˌkeɪ.tə(ɹ)/	A pointer or index that indicates something.
accessory noun	/əkˈsɛs.(ə.)ɹi/	Something that belongs to part of another main thing; something additional and subordinate, an attachment.
bezel noun	/ˈbɛz.əl/	The sloping edge or face on a cutting tool.
lanyard noun	/ˈlæn.jɚd/	A short rope used for fastening rigging, as a handle, etc.
coupon noun	/ˈkuːˌpɑn/	A section of a ticket, showing the holder to be entitled to some specified accommodation or service, as to a passage over a designated line of travel, a…
meter noun	/ˈmitəɹ/	A device that measures things.
enthusiast noun	/ɪnˈθuːziˌæst/	A person filled with or guided by enthusiasm.
holster noun	/ˈhɒlstə(ɹ)/	A case for carrying a tool, particularly a gun, safely and accessibly.
reflector noun	/ɹɪˈflɛktə(ɹ)/	Something which reflects heat, light or sound, especially something having a reflecting surface.
unanalyzed adjective		Not analyzed; not tested or scrutinized.

Phrasal verbs you will hear

Word	Meaning
check out verb	To record the departure or withdrawal of someone or something (such as guests, employees, books, etc.).
get over verb	To overcome.
have over verb	To host (a visiting guest) at one's house.
locked out verb	Not locked in (focused), unfocused.
step down verb	To resign or retire from an office or position of authority.
sum up verb	To produce a total by adding.
throw over verb	To discard or give up (a plan or project, etc.).

Grammar in this video

The structures the speaker uses most, with the exact words from the video:

Structure	In the video
Passive voice be + past participle — the focus is on what happens, not who does it	is included · is glued · is covered
Relative clauses who / which + clause — extra information about a person or thing	electronic, which is · port, which is · one which means

Pronunciation to watch

The speaker uses 34 contractions and reduced forms, such as we've, you've, don't. Say them the short way, as you hear them.

The “th” sounds: enthusiast /ɪnˈθuːziˌæst/, stealth /stɛlθ/, smoothly /ˈsmuːðli/, algorithm /ˈælɡəɹɪðm̩/
The “sh” and “zh” sounds: flashlight /ˈflæʃˌlaɪt/, shortcut /ˈʃɔːtkʌt/, intuition /ˌɪn.tjuːˈɪʃ.ən/, insulation /ˌɪnsəˈleɪʃən/, optional /ˈɑp.ʃə.nəl/
Long words — get the stress right: indicator /ˈɪn.dɪˌkeɪ.tə(ɹ)/, accessory /əkˈsɛs.(ə.)ɹi/, enthusiast /ɪnˈθuːziˌæst/, whatsoever /ˌ(h)wʌtsoʊˈɛvɚ/, illuminate /ɪˈl(j)umɪneɪt/

How to practise with this video

Listen to the whole video once without speaking and note the words you do not know.
Shadow it sentence by sentence at normal speed, repeating each one until your rhythm matches the speaker.
Record yourself and compare with the original, paying attention to words like flashlight, beam, lumen.

What is the Shadowing Technique?

Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud — like a shadow following the speaker with just a 1–2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency — making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.

Shadowing technique: read the full step-by-step guide →

Shadowing Practice: Acebeam L16 v2.0 Review - Long Range Tactical Flashlight - Learn English Speaking with Video

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Vocabulary and speaking notes for this lesson

Key vocabulary in this video

Phrasal verbs you will hear

Grammar in this video

Pronunciation to watch

How to practise with this video

What is the Shadowing Technique?