These slim 4-inch recessed lights have a white trim that coordinates with most decors, whether at home or in your business. A galvanized junction box is included and the line voltage is of 120 V/347 V. A switch allows you to adjust the kelvins to 5 different temperatures: 2700 K - 3000 K - 3500 K - 4000 K - 5000 K. They are appropriate for damp locations, such as bathrooms and kitchens. It includes a 16-inch wire and a lens. The pack includes 12 recessed fixtures which are Energy Star-certified. This product is backed by a limited lifetime warranty.