... 3.Long life span 4.good quality. adventage 1. Use super bright LEDs, high brightness, more than 50000 hours long life span ... dizzy light, the good show performance3.The inside constant current driver to make sure the LED not be broken when voltage ... , Shockproof, Rustproof.6.Energy saving, low temperature and stable emitting. high quality led truck side/turn/stop/tail lihgt