... good thermal technology, ensure that it is high power LED light, lower Lumens depreciation, long life, smooth surface, bright and ... ,not strobe frequency 7.It is easy to assembly with light weight 8. environmental protection, safety,without pollution risk,with ... temprature°-30~+40°CPowerfactor>90%Angle°160°Lifehour60,000hoursSizemm300*1200*12.5mmWeightg4900g;5000g LED Ultra-thin Ceiling ...