1.longlife time(50000hrs) 2.warranty for 2 years 3.high power with good quailty 4.best price 5.good after-sale service Model NO.:TS-COB2,5-5WDimensionD85×H50 mm VoltageAC85-265V Power5W LED Qty1 pcs COB high power LEDs Lumens400-450Lm Color Temp.2700-7000K;WW,DW,CW Beam angle120° Finishwire-drawing aluminum Lifespan50,000hrs, Cutting hole50 mm Packaging Unit PriceNon-dimmable