Product name : 15W COB LED Grow Spot Light Item : KTC-15WCOB Details : Technical Specifications Total Power: 15W Power Factor(PF): >0.97 Voltage: AC85-265V LED Type: 12W COB LED Socket: E27 Beam Angle: 120 degree Dimensions: 51 x 101mm Color ratio: red/blue/mixed spectrum or white color for commercial use Working environment temperature: 20~40 Working time: 10-14Hours /day Package Size: 60mm*60mm*135mm Net Weight: 0.16KG Warranty: 2 years The main advantages are as follow 1) Brightness Uniform. 2) Small size and nice appearance. 3) Easy installation. 4) very competitive price. Notice 1) For indoor use only. 2) To aviod the damage,light unit must not get wet. 3) For vision safety,do not look at the light directly when it is operational.