Read carefully the bullet point and the description before placing an order. This is the 120 voltage light. Not suitable for the 12V housing. Pay attention to the size of the light Diameter:6.0'', High:5.5''. Please check carefully the size of the fixture and make sure the diameter of your fixture is bigger than the light. Some color like blue/white/purple works bright,other color like red works dim, it is because voltage of each color is different<br>Diameter: 6.0'' <br>Height:5.5''<br>Body Material:Aluminum<br>Power:120V,40W<br>Warranty: 5 years<br>Lifespan: 100,000 hours<br>Waterproof rating: IP65<br>Color: RGB+W