Super bright IP44 40W LED Flat Panel Lighting Replacement conventional down light lamp

IP44 40W LED Flat Panel Lighting for Indoor ,600 x 600 led panel lights 3400LM Features: 1. Material: superior aluminum alloy and high quality acrylic plate (PMMA). 2. Operating Voltage: low voltage DC38-42V 3. Input Voltage:AC100V~AC260V available 4. Light source: low power EPISTAR SMD LEDs (placed in the edge of the plate) 5. Color Rendering Index Ra >80 6. Uniformity of light color: ≥ 90% 7. Lifespan: ≥ 50000h (8 years using validity) 8. Beam angle: 120 degree 9. Color: