... and good thermal technology, ensure that it is high power LED light, lower Lumens depreciation, long life, smooth surface, bright ... , downy not dazzling 5. Input voltage is 100-240V AC for power-supply efficiency 6.Activating is quick,not strobe ... to assembly with light weight 8. environmental protection, safety,without pollution risk,with ROHS certification 9.advanced workmanship, stable performance ...