sigma rear light buster rl 80 blackProvides up to 80 lumens and is therefore more than bright enough for daylight rifing. With USB C i Specifications Battery Li Ion Brand SIGMA Color Black Front Rear Rear Item Name Buster RL 80 Item Type Rear light Light Source 2 x LED Other Mode memory function, battery status, Tool free mounting with flexible silicone mount, 240 degree w Package '1 1 Power Source USB rechargeable battery Product Info 5 light modes: High, Low, Day flashing, Night