• Dimming Function: The LED recessed ceiling light can be stably dimmed without flickering. Compatible with various dimmer switches from different brands. (Dimmer switches NOT included). • Energy Saving: The 3W mini ceiling light is equivalent to a 30W incandescent bulb, reducing your electricity bill by up to 90%. • Extensive Compatibility: 12V recessed light suitable for recreational vehicles (RV), boats, vans (VAN), trailers, motorhomes, kitchens, bedrooms, dining rooms, jewelry display lighting, wine display, etc. • Easy to Install: No screws needed, simply insert the interior light into the pre-drilled hole of 2.20 to 2.30 inches (56 to 58 mm). • For 12V Direct Current (DC) Only: Do not install the 12V ceiling lights into a 120V residential power supply. You will need a DC12V power adapter to use them at home. • Measurements: Diameter of 2.68 x 0.55 inches (68 x 68 x 14 mm). • Material: Aluminum. • Operating Power: 3W. • Operating Voltage: 12V DC (Adapter needed for 110V domestic use). • Luminous Flux: 270 LM. • Light Color: White 6000K. • Cable Length: 200 cm (78.74 inches). • Package Content: 6 x Interior spots, 1 x Junction box.