Lamp Holder E27 Dimensions ￠49.8*64.3mm LED Quantity 3PCS Total Power (Including Power Source) 3W Input Voltage AC 85~265V Output Voltage DC 48~60V Constant Current 320mA±10mA Frequency 50/60 HZ Beam Angle 45/60° Color Red/Yellow/Blue/Green/  Cool White/Warm White Operating Temperature -30℃~80℃ Luminous Flux >270Lm IP Rate IP44 NW 0.08KG Life-Span ≥50000 H Certificates CE,ROHS