The Olight I1R 2 EOS is an improbably tiny rechargeable LED flashlight that can be hung on a keychain. Despite its size, it has two different brightness levels, capable of producing 5 and 150 lumens. This small but useful and practical companion weighs only 13 grams. It has a built-in Li-Ion battery in its strong aluminum frame, which can be charged via an internal Micro-USB port after unscrewing the device. Its light is provided by a high-performance LED. This and the TIR optical lens provide soft, diffused light. Its brightness can be easily adjusted in two steps by turning the head of the lamp. The I1R 2 EOS is a perfectly practical and easy-to-carry device with performance that belies its size, which can be of great help to its owner thanks to its easy charging and usability. Features: thinner than a little finger and shorter than a AAA "remote control" battery, also only 13 grams high-power LED and the TIR lens gives a soft, diffused light can be charged from anything via Micro-USB port, fully charged approx. Switching on and off in 1 hour and 15 minutes, the brightness can all be adjusted by turning the head of the lamp Dimensions: Length: 44 mm Diameter: 14.8 mm Weight: 13 grams Frame material: aluminum Battery capacity: built-in 70 mAh 3.7 V Li-Ion battery Warranty: 1 yearAccessory with micro-USB cable