Bicycle Light Cygo Rear Hotshot Pro 200C USB Black 200 lumen flashes demand attention in broad daylight and at night Built-in 24/7 Safety Technology gives you a powerful selection of 6 day and night modes (Steady, Zoom, SteadyPulse, Triple Flash, DayLightning Flash, Random Flash) Freely adjust the brightness of Steady mode and the flash tempo of the flashing modes with the simple 2-button interface SteadyPulse mode features a steady beam to help motorists gauge their distance while overlapping pulses keep them alert at night DayLightning mode emits lightning-like flashes to highlight your presence in the brightest of daytime hours Zoom mode signals those around you with a gentle change in brightness Enhanced Cycling Optics expands your presence with an extra wide and long range beam compared to conventional tail lights Low battery indicator alerts you when a charge is needed Light mode memory saves the mode you`re in before the light is turned off USB rechargeable with 2 to 210 hours of run time Rack mount compatible Color: Black Modes: 6 Location: Rear Mount: Seatpost/Rack Charging: USB Lumens: 200