Lytecaster 1100DICM 6.75 Inch Incandescent Deep Insulated Ceiling Frame-In Kit is made of galvanized steel. UL listed for direct contact with thermal insulation (IC designation). Accommodates all ceilings up to 1 inch thick. 3/8 inch deep integral lip. Four slots are positioned 90 degrees apart to simplify alignment. Push-in/twist-out rotoclips hold reflector flush to ceiling. UL listed for maximum of six No. 12 gauge 90 degree C through branch circuit conductors. Quick release cover for outside access to wiring. Mounting bars extend to accommodate 16 to 24 inch on center joist spacing and feature integral nail for secure attachment to wood construction. UL listed. Suitable for damp locations. Dimensions: 15.5 inch width x 9.25 inch height. Incandescent lamp type and wattage dependent on trim kit. A complete fixture includes a frame-in kit and trim kit, sold separately.