Fenix BC05R v2.0, Rechargeable Rear Bike Light | 15 Lumens | 50m | 120 Hrs Max | Constant and Flash Modes | USB-C Charging | Body Clip for Running, Hiking and Walking use | 180° Wide-Angle | IP66

【Enhanced Safety】Stay visible in traffic with a maximum 15 lumens of red signalling light from 5x LED's, ensuring you're seen from up to 50 metres away for increased cyclist safety. 【Versatile Mounting Options】Easily attach the Fenix BC05R V2.0 to seat posts (20-35mm diameter) using the included high elasticity ladder strap, or use it as a safety marker light with the supplied body clip accessory, offering adaptable usage. 【Long-lasting Performance】Six output levels and a built-in 400mAh Li-polymer battery. Enjoy up to 120 hours of runtime on a single charge, ensuring you're covered for your daily commutes or extended rides. 【Quick and Convenient Charging】Recharge the light in just 1.5 hours using the included USB to Type-C cable. Compatible with your mobile phone charger, computer, or external power pack, providing hassle-free charging wherever you are. 【Durable and Weatherproof】Designed to withstand the elements, the BC05R V2.0 is rated IP66 rainproof and dustproof, while its ultra-compact and fashionable appearance adds style to your biking gear.