With only 20 grams of the whole unit and a max of 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 mounted on the seat post or helmet.

Highly efficient COB LED with a max of 20 LED lumens.
Quick release designed for various needs.
Specifically designed lens providing rear and side visibility.
Auto power saves and indicator for low battery.
Micro USB charging port, compatible with most phone chargers.
Built-in battery indicator and charging indicator.
The intelligent memory circuit remembers the last used brightness level and mode when turned on again.

Tech Specifications:

LED: COB LED.
Battery: 200mAh/3.7V rechargeable Li-polymer battery.
Dimensions (Headlight): 18mm (L)*22mm (W)*52mm (H).
Weight (light unit): 15g.
Mount size: compatible with φ 24-36mm Seatpost.
Design and specifications are subject to change without notice.