... , toughened glassAbstract heat type: Whole lamp, LED working temperature < 45Light Source: power LED, Super bright white LED chipLED luminous efficacy: > 60 Lm ... ,Garden light, Bus Station light,Sport Ares light, Wall lamp, Garding light, Building light,Tree light, Tunnel light etc ... , That's the import point for the lifetime increasing.5. With programme of dynamic controlling for the working current ...