1)CE,RoHS certificate. 2)white:90-100-110-120-130LM 3)low light decline. 4)competitive price. 5)dlivery in time. 1w high power LEDcolor:red/blue/green/whiteViewing Angle (°):125±5,120±5Reverse Voltage(V):>8,>5Reverse Current(uA):<20,<30ESD Sensitivity(V):2000Storage Temperature(°C):-35 to +60Lead Soldering Temperature(°C):260for 5Seconds Max1w white: Illumination brightness: 80-90lm,90-100lmcolor ...