This 4-pack of 12 watt 4 3000K LED Recessed Downlight has an E26 Quick Connect Adapter that you can either hardwire into a fixture or use the E26 Quick Connect Adapter to screw it into a recessed can, a regressed design with a smooth finish, and a 110 angle for a very wide flood, along with the ability to fully dim the lights and a high lumen output of 1100 lumens.