... 3.Long life span 4.good quality. adventage 1. Use super bright LEDs, high brightness, more than 50000 hours long life span ... ; no dizzy light, the good show performance3.The inside constant current driver to make sure the LED not be broken when ... , Shockproof, Rustproof.6.Energy saving, low temperature and stable emitting. high quality led truck side/turn/stop/tail lihgt