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 flashlight 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 aluminium housing, the K4R combines a high-quality look and feel, making it an elegant and practical accessory for your key ring.
Features
Ultracompact keychain light with up to 120 lumens of light output
High-quality brushed aluminium 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
Technical Data
Length defocused [mm] – 52
Head diameter [mm] – 25
Tube diameter [mm] – 25
Weight incl. batteries [g] – 20
Weight without batteries [g] – 15
Focus function – No
Head material – PC
Tube material – Aluminium alloy
Optic – Plastic lens (PMMA)
Cartridge – No
Power Supply
Power source type – Rechargeable battery
Battery quantity – 1
Battery type – Li-ion
Battery replaceable – No
Total battery voltage [V] – 3.7
Total battery capacity [mAh] – 180
Total battery energy² [Wh] – 0.67
Rechargeable – Yes
Charging time [min] – 180
Energy modes – Energy Saving
Energy status indicator – Battery Indicator, Charge Indicator
Light Function
Boost, Power Low Power
Light Values
Boost Mode
Light output [lm] – 120
Beam distance [m] – 30
Power Mode
Light output [lm] – 80
Beam distance [m] – 25
Run time [h] – 1
Low Power Mode
Light output [lm] – 20
Beam distance [m] – 10
Run time [h] – 3.5
