*Light color :White
*Lamp frame material:Aluminum alloy
*Input voltage :90-264VDC
*Total input current of whole lamp:227mA(50W)
*Environment temperature:-30°C~+50°C
*working temperature:≦75 ℃
*Luminous Efficiency:≧90LM/W
*Power:50/80/100W+/-5%
*Luminous flux:4500
*Lamp efficiency:≧95%
*Total Harmonic Distortion:≦15%
*Color temperature:5500-6000K
*Color rendering index:≧80
*IP data:65
*Electric safety standard:CLASS II
*Life time of lamp:30000hrs
*Power Factor:0.95
*Beam Angle:140°
*Led Chip brand:Epistar
*Product size:φ435*550
*Installation height:3-6Meters
*Certificate:CE,RoHS