Lytecaster 2000P1 3.75 Inch Non-IC Enclosed Frame-In Kit is made of aluminum and galvanized steel and will accommodate existing ceilings up to 1 inch thick. Non-IC designation requires that insulation must be kept a minimum of 3 inches away from housing. UL listed. Suitable for damp locations. 9 5/8 inch length x 7.5 inch width x 5.25 inch height. Lamp type and wattage dependent on trim kit and frame-in kit combination per attached manufacturer spec sheet. A complete fixture includes a frame-in kit and a trim kit, sold separately.