The K4R is a rechargeable key fob light with a light output of up to 120 lumens, making it significantly brighter than most smartphone flashlights. No more bothering with annoying cables, as the light can be easily charged using the integrated foldable USB-A interface. With its pressed, brushed aluminum housing, the K4R combines a high-quality look and feel, making it an elegant and practical accessory for your keychain.

Light Functions

These settings are pure and bright:

Boost – short-term maximum power for more brightness

Powerful high light output for any situation

Low Power – economical light for long battery life

Keys

Turn it on, press it or press both - this is how to turn on Ledlensers:

End Cap Switch – a switch on the end of the light (end cap) 

Special functions

Something special about this Ledlenser:

Integrated USB-A Interface – Easy and fast charging with foldable USB-A interface without separate charging cable

Transport lock – Practical transport lock protects against accidental opening

Metal Carabiner – for keys, bags, etc. for easy plugging.

Till

Each Ledlenser case is made of high quality metal so that you can enjoy the light for a long time. In this case, it is aluminum specifically for light use.