... 4. Size: L300*W300*H15MM, Hole Size:L288*W288MM LED Panel Lamp, Side Lights, 300*300MM, 12.5W with 174pcs SMD3528 LEDs, 9 ... . No RF interference, no infrared rays, no thermal effect4. Environmental protection, lead-free materials, 5. Long life, up to 50000 hours ...