20 Watt K&R led 1'x1' Edge Lit Cool White Light (5000-5500k) LED Panel Light for Office/kitchen Overhead Lighting - UL Certified Driver Ultra-slim and low-profile. No flickering, No RF interference, No UV radiation Proprietary design for excellent thermal management with aluminum and acrylic housing. Can be recessed Installation, surface mounted, suspending. Lifespan 50,000 hours(more than 5 years)