With only 20 grams of the whole unit and max 20 LED lumens, TR20 is a super compact, lightweight yet bright rear light. With the quick release clamp mount, the light is easy to use and convenient for your daily commuting or road cycling, whether mounting on the seatpost or helmet.
 
Specifications
Highly efficient COB LED with max 20 LED lumens
Quick release designed for various needs
Specifically designed lens providing rear and side visibility
Auto power save and indicator for low battery
Micro USB charging port, compatible with most phone chargers
Built-in battery indicator and charging indicator
Intelligent memory circuit remembers the last used brightness level and mode when turned on again

LED: COB LED
Battery: 200mAh/3.7V rechargeable Li-polymer battery
Dimensions (Headlight): 18mm (L)*22mm (W)*52mm (H)
Mount size: compatible with 24-36mm seatpost
Design and specifications are subject to change without notice.

Mfr Claimed Weight
15g