600*600mm 100lm/w 40w 4000lm Led Panel light LS-P6060-40W Material: Aluminum Frame+PMMA light guide plate+PC diffuser Dimension:595*595mm Power: 36w LED information: TaiWan Epistar SMD2835 Led driver: External constant-current isolated driver Input: AC85~265V Power Effecicy: 0.85 Power Factor: 0.92 Luminous efficiency: 100lm/w Lumen Output: 4000lm CRI:80Ra Beam Angle: 120° Working Temperature: -40°C~+50°C Light attenuation: