Energy Saving - Same illumination intensity, the power consumption for this LED light is more than 5 times lower than halogen light.Compact Design - Ultra thin design helps expanding your space, lower install requirements suitable for RV, boat, motorhome, yachts.Spring Clips Mount - Neat finish after installation. Spring clips, no screwing requires, mounting hole depth only 0.6", cutting hole 2.4"Replace Halogen Ceiling Lights - Easily fitted instead of ordinary 3.5 inch recessed light fixture. No additional accessories are required.Durable - No plastic, no die-casting, full aluminum body offers excellent heat dissipation, 50,000 hours lifespan LED chipSpecifications: Input Voltage: 12V DC Wattage: 3W Luminous Flux: 240 Lumen LED Lifespan: 50,000 hours Light Dimensions: Outer Dia 2.76", Inner Dia 2.16", Height 0.52" Color Temperature: Warm white 3200K cool white 6400K Lighting angle: 120 degrees Mounting Hole: Dia 2.4", Depth 0.6" Weight: 1.8 ounces/eachNOTES: THIS CEILING LIGHT IS DIMMABLE.It works with acegoo PWM type dimmer switch to smoothly adjust brightness from 0 to 100%. Dimmer switch ASIN# B089N9WYGTWe also sell 3-1/2" 4.5 watts reccessed ceiling light for a little larger hole mount.ASIN# B085RCYSBS Warm WhiteASIN#B085RL2F7X 4000K Daylight