100% Brand New CREE RGB R5 1800Lm LED Bicycle Light and bike light, LED life is up to 100,000 hours. * Internal wiring uses the high efficient booster circuit, working voltage is wide and can use the batteries to the largest extent. * 3 Switch Modes: Strong Brightness / Normal Brightness / Strobe. Waterproof design, perfect suit for outdoor sports. * Rechargeable power battery pack with a bicycle bracket to install and fixed the bicycle light. * Aluminum alloy casing, avoiding high temperature, anti fall off,waterproof design ,O-shaped ring,heavy rain is still normal use.