Heat sink aluminum frame for excellent heat dissipation. Aluminum backing for excellent thermal management. Polyester powder coated frame with white finish. Slim, state of the art, low profile design. Correlated Color Temperatures of 3500°K, 4100°K, & 5000°K. High Output LED's. High power factor, low THD driver. InstantON flicker-free Cold Start and Hot Re-Start. Up to 15 years Maintenance free operation.