LEDwholesalers Edge-Lit Glare-Free LED Panel Light, 75-Watt, 2x4 FT, 2107WH Super bright by edge-lighting with high quality light-guide plate, glare-free Ultra-slim and low-profile, thickness is less than 1/2" (excluding detachable electrical box) Energy efficient and long lasting May be installed in drop ceilings or used as a pendant No UV or hazardous materials