These Bazz LED panels are a great way to add overhead lighting to your home or office space. They have a surface-mounted design with a slim profile for easy installation that brings a finished, elegant look to any area. Each energy-efficient LED panel provides 450 lumens of 3000 K white light for great illumination. The 9-watt panels measure 4 inches in width and 11.8 inches in length. The set conveniently includes two light panels.