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.

• 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 (light unit): 18mm (L)*22mm (W)*52mm (H)
Weight (light unit): 15g
Mount size: compatible with φ 24-36mm seatpost