K4R |Buy K4R Rechargeable Flashlight Online | Ledlenser USA
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Slide Focus
Rechargeable
Water Resistant
Rugged Build
K4R Keychain Light
SKU: 502574
120 Lumenslm3.5 H30 MIP2X View Specs
LIGHTWEIGHT KEY CHAIN LIGHT
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7-year warranty
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$19.95 $0Sale •
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ColorGrayRose GoldShow moreShow less
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K4R Keychain Light
4.2(12)
Sold Out|$19.95
Description
Small light, big power: The K4R is a rechargeable keychain light with up to 120 lumens of light output, making it significantly brighter than most smartphone torch functions. No more messing with annoying cables as the light can be conveniently charged using the integrated fold-out USB-A interface. With its compacted brushed aluminum housing, the K4R combines a high-quality look and feel, making it an elegant and practical accessory for your key ring.
- Ultracompact keychain light with up to 120 lumens of light output
- High-quality brushed aluminum housing with carabiner for easy attachment
- Easy and fast charging via foldout USB-A interface without separate charging cable
- Integrated battery and charge level indicator
- Practical transport lock protects against unintentional switching on
Specifications
| Light Output | MAX 120 lm - MIN 20 lm | | Beam Distance | MAX 30 m - MIN 10 m | | Runtime | MAX 3.5 h - MIN 1 h | | LED Configuration | 1 x POWER LED | | Battery | Battery 1 x Li-ion Polymer 3.7V | | Rechargeable | Yes | | Water Resistance | IP2X | | Weight | 20 g | | Head Diameter | 25 mm | | Length | 52 mm |
All about the light beam
LED
LED Configuration1 x POWER LED
Luminosity1MAX 120 lm - MIN 20 lm
Lighting Range1MAX 30 m - MIN 10 m
Battery Duration1MAX 3.5 h - MIN 1 h
POWER LED
This LED enables your Ledlenser to achieve high luminosity.
Light Functions
Power - optimised light output
- Low Power - economical light for long battery life, glare-free reading and working
- Boost - short-duration maximum power for more brightness
Casing
Brushed aluminium housing with carabiner
All about the features
Switches
End Cap Switch - a switch on the end of the light (end cap)
Special Functions
Extremely Compact - yet very powerful with 60 lumens
- Rechargeable - via the supplied USB cable
- Metal Snap Hook - for easy attachment to keys, bags, etc.
Height and Weight
- Length (defocused)52 mm
- Head Diameter25 mm
- Weight20 g
All about the power
Battery and Casing
BatteryBattery 1 x Li-ion Polymer 3.7V
Water ResistanceIP2X
RechargeableYes
IP-Class
IP2X - no special protection against elements
Manuals & Documents
Reviews
Customer Reviews
4.2Based on 12 Reviews
5 ★
50%
6
4 ★
25%
3
3 ★
25%
3
2 ★
0%
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1 ★
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DD
10/10/2025
David D.
United States
Keychain Light Review
I absolutely love the flashlight, the ease to charge it, and the low weight. I'm taking it on my pilgrimage to Spain in a few months. I do not like the fact that its so easy to accidently switch it on when its in you pocket. Almost every day its in my pocket, I see through my pants that it has switched on. Wish it didn't switch on so easy.
Gray
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S
12/12/2024
Steve
United States
Great light but always turns on inadvertently
The light output is great for such a small thing. The only issue I have is that it is too easy to inadvertently turn it on while in your pocket. The cover that lays over the power button actually will turn on the light if pressed. The cover is a large portion of surface area so turning the light on by accident is all too easy. (Originally posted on Amazon)
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CB
09/23/2024
Charles B.
United States
Great Little Light!!!
I gave this to my wife and she couldn't be happier with it. It's really light and works quite well on a keychain, unlike other so-called keychain lights which she has tried and which were much heavier. Great styling, too. Now I need to get one for myself.
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