These 4-LED diode accent lights provide as much light output as a conventional 12V incandescent bulb, drawing at least 10 times less power than incandescents. Low heat makes them safer for enclosed areas. Extreme long life and resistant to vibration. Requires 2″ diameter hole for mounting. Mounts with three No. 6 screws, NOT included. Diameter: 2-3/4″ OD.