Sunnytech 1PC Solar Car Flash Wheel 12LED Light, Auto Active, 4 Colors,8 Working Mode, Solar Energy, Tire Light Lamp Decoration Light Warning Light Stirlingtechonline is exclusive distributor and the owner of the brand "SunnyTech"----Please be sure you receive an authentic SunnyTech stirling with SunnyTech logo and only sold by Stirlingtechonline to ensure 100% Satisfaction Guarantee. Solar energy can be absorbed and saved in high efficiency solar cells.Waterproof, shockproof design; Easy for installation, details instrcution included. Fashion and Glaring.Built in high capacity a lithium battery, with no memory effect and a long service life. 4 working mode. The wheel light color could be set to: Red, Blue, Green, and Multi-color. Different breath pace, total 8 mode Built-in light sensor and only light up and flash in darkness and wheels running. It will shut down automatically 30 seconds after parking. While driving at night, flashing function can be activated with the help of light-control and micro-vibration sensor system. This avoids accidents while driving at the night and to decorate. Suitable car models: small wheel center cap diameter 4.9 cm -7.3 cm marked car, in the range 4.9-7.3 cm generic placeholder is greater than 7.3 cm or more, the center is basically a small car this size cover. Instalation Video: http://www.56.com/u79/v_NzY3MzAwODQ.html#fromoutpvid=NzY3MzAwODQ