Input Power 120W/160W Luminous Efficiency 80¡«85 lm/w Voltage 90VAC~277VAC Current 300mA Frequency 50Hz/60Hz AC Power Factor 98% DC Power Efficiency 94% Beam Angle 71¡ã(50%) Color Temperature 6500K Color Rendering Index Ra£¾80 Light Source Life 50000h Working Temperature - 40¡æ¡«+ 50¡æ Working Humidity 10% ~ 90% Housing £¦Lampshade aluminium alloy IP Rating IP20 Color silver gray Size ¦µ500X442(mm)(Hook) ¦µ500X400(mm)(Sucker) 19" Package Dimension 560X560X420(mm) Installation Hook with a stick/Sucker with a stick G.W/N.W 5.0kg/2.5kg