The Fenix BC05R is a versatile rechargeable bicycle taillight. Max 10 lumens eye-catching red light which is visible over 200 meters away, guarantees safer riding at night. The built-in 240mAh Li-polymer battery delivers a max runtime of 72 hours, long lasting for one month of a 2-hour commuting everyday. Type-C interface offers fast and convenient charging. With the use of the body clip, the taillight can be extended to be a chest lamp, headlamp or backpack light. IP66 rated protection, together with bicycle headlight, this multifunctional taillight is bound to provide you with a safer and more enjoyable riding experience.