SUPER EASY TO INSTALL : Led disc lights can be installed into any 4 inch Recessed Can and 5/6 inch Recessed Led Can lights. With innovative Spring-hook, fast install by hooking attached spring to back then release gently to ceiling SMOOTH DIMMABLE : Dimmable led light disk compatible with most dimmers to provide smooth dimming capabilities (10%-100%). No buzzing or flickering for maximum eye comfort Directly install to the ceiling for instant brightness in your kitchen, livingroom,dinning room, bedroom, bathroom, and common areas of your home or office.led disk light suitable for damp locations LONG LASTING : Lifespan of disc lights ceiling led up to 22 years (base on 3 hours per day), saving the cost of replacement. The strictly verified LED chips provide consistent brightness All materials of the disc ceiling light comply with RoHS and REACH. No breakable parts and free of toxic chemicals, lead and mercury-free.