LED Round Panel Light /led panel light /led ceiling light Main specifications: 1. Outer size 184x184x17mm 2. lighting area 130x130mm 3. Cut out 174x174mm (recommended) 4. Light Color:Cool White / Warm White / RGB / other color 5. Color Temperature:5500-6500K Cool White 2700-3500K Warm White 6. Enclosure Materials: Aluminum Alloy 7. Enclosure material color: Silver 8. Luminous Flux 540LM 9. Luminance:140Lux(1.0m) 70Lux(1.5m) 43Lux(2m) 10. Radiation Angle: 90° 11. Energy Save Rate: 50% 12. Usage Lifetime:50000Hrs 13. IP level IP42/IP64 (Options) 14. Weight: 0.5 Kg (without power supply) Power Supply Specification 1. Input Voltage:DC24V 2. Power Consumption: 8W 3. The working current: 390mA Environment Specification Work Moisture: 10%-90%RH Work Temperature: -20 50°C Storage Temperature: -20 80°C Notes: All dimension units are millimeters.All dimension tolerance is ±0.5mm unless otherwise noted. LED Lumen Attenuation : Operating time(hours)Lumen decrease(%)5,0002.410,0005.220,00011.350,00024.5