... of our products :Structure: Extrude Aluminum,Groove reflection, toughened glassAbstract heat type: Whole lamp, LED working temperature < 45Light Source: power ... ,Garden light, Bus Station light,Sport Ares light, Wall lamp, Garding light, Building light,Tree light, Tunnel light etc ... weakening less than 10% for 3 year.6. Groove reflection optics design, Great luminanting angle7. Own 6 Chinese Pantents ...