This fixture can be surface mounted or recessed mounted.

Steps for surface mounting
Before installation, please set two screws in the junction box and do not drive screws to the end of junction box. Plug the white wire from the junction box to the driver white wire connector and plug the black wire to the black wire connector of the driver. Then attach the disk light to the junction box. Plug the grounding wire to the ground connector of the driver. Then use screw driver to drive the screw to the end and make the disk light tightly fix on the junction box. Finally twist diffuser on the disk light metal enclosure and lock the diffuser in place.

Steps for Recessed mounting
Make sure to release E26 lamp base inside can to be replaced by UL listed E26 base adapter and find white and black plug from E26 base adapter. To use wire plug to connect white socket of the LED driver. And connect driver grounding wire in the can grounding screw.
Then squeeze the springs of LED disk light to be inserted into the can and it can be done one by one fro both sides. To make sure to hook them on the disk light should be pushed on to the surface of the can to make sure that the disk light is attached to the ceiling surface. And then twist the diffuser, which should be locked in the disk metal enclosure and keep the diffuser in place of the disk light surface.

Technical Specifications
120V 60Hz AC operation
15W 36pcs LED chips
Light source lumens: 1250; Fixture lumens: 1050
Translucent white PC Opal Diffuser
Two mounting screws
Philips screw driver sold separately
Two year limited warranty