Super bright and super stylish - Bookman's Curve grey/neon yellow rechargeable high power rear bike light has a brightness of up 37 lumens and a run-time of up to 32 hours. Easy attach and detach from the handlebar with the elastic silicone band. Battery indicator and ‘on’ button are situated on top which also doubles as the clasp. One single click switches between four modes. The design of the glass, which spills over the sides, ensures a wide range of light, not only in front but also at the sides. Completely weather-resistant light (IP-44) will show you the way through rain or snow.