ETi Ultra Slim 4 in. Square Canless LED Recessed Downlight is the perfect way to upgrade your existing recessed lights into low-cost energy-efficient LEDs. Our canless, ultra slim square design easily installs into low clearance or sloped ceilings; no cans or joist needed. Prior to installation, choose White or Black trim and 5 adjustable color temperatures of light output Warm White, Soft White, Cool White, Bright White or Daylight. Flip on the Night Light feature which glows a soft Amber hue around the fixture creating warm ambient lighting. No more worries about climbing a ladder or hiring an electrician to change light bulbs, this fixture is maintenance free with no bulbs required. Great for bedroom, bathroom, kitchen, living room, entry way, hallway, basement, office, retail shops, theatres, lobby/reception areas. 650 Lumens of brightness using 11-Watt of electricity. Replaces outdated 60-Watt incandescent bulb. Entire list of compatible dimmer switches are located in Product Details section, Additional Resources - click Specification.