This suspended Up/down LED Luminaire is nearly transparent luminaire when off and excellent uniformity and efficiency when on,reaching 55% downlighting and 45% uplighting distribution, making the illusion of the light floating in mid-air. Additional Features Wattage:40 watts Input Voltage Range: 100-277VAC Frequency: 50/60Hz Power Factor: 0.93 Efficacy: 105LPW Lumens: 4,200lm Input current: 0.43A Dimmable: 0-10v Color Rendering Index (CRI): 80+ Color Temperature (CCT): 3500K Lens Materials: Polycarbonate Support to connect 9pcs panels together in 120V AC Finish Housing:White Mounting: Suspended Standard Lifetime: Designed to L70 minimum 50,000 hours Dimensions: L 47.24 x W 7.87 x H 0.94 Warraty: 7 years Application Indoor lighting,office,meeting room.etc. Additional Details ------------------------------ Bullet point: ?UNIQUE DESIGN- The suspended Up/down LED Luminaire is a commercial pendant lighting fixture an advanced LED optical system to achieve superior performance. The unique design is nearly transparent luminaire when off and excellent uniformity and efficiency when on, reaching 55% downlighting and 45% uplighting distribution, making the illusion of the light floating in mid-air. Product description: This suspended Up/down LED Luminaire is nearly transparent luminaire when off and excellent uniformity and efficiency when on,reaching 55% downlighting and 45% uplighting distribution, making the illusion of the light floating in mid-air. Additional Features Wattage:40 watts Input Voltage Range: 100-277VAC Frequency: 50/60Hz Power Factor: 0.93 Efficacy: 105LPW Lumens: 4,200lm Input current: 0.43A Dimmable: 0-10v Color Rendering Index (CRI): 80+ Color Temperature (CCT): 3500K Lens Materials: Polycarbonate Support to connect 9pcs panels together in 120V AC Finish Housing:White Mounting: Suspended Standard Lifetime: Designed to L70 minimum 50,000 hours Dimensions: L 47.24? x W 7.87? x H 0.94? Warraty: 7 years Application Indoor lighting,office,meeting room.etc.