The Olight I1R 2 Pro is an incredibly small rechargeable LED flashlight that can be hung on a key chain. Despite its size, it has two different brightness levels, capable of producing 5 and 180 lumens. This small but useful and practical companion weighs only 22 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 levels by turning the head of the lamp. The I1R 2 Pro is a perfectly practical and easy-to-carry device with performance that belies its size, which can be of great help to its owner with its easy charging and usability. Features: thinner than a little finger and shorter than a AAA "remote control" battery, in addition, only 22 grams of high-power LED and the TIR lens give a soft, diffused light, can be charged from anything via the USB-C port, up to 12 hours of operation time on and off, the brightness can all be adjusted by turning the head of the lamp