【Ultra-thin integrated design】: The integrated design requires no external power supply. The shell is made of metal to ensure good heat dissipation. The paint will not peel or rust. 【Easy to install】: Opening size: 50 mm - 60 mm, installation depth: approx. 28 mm/1.1 inches; connects directly to 230V power supply, no transformer or other accessories required; [High-quality LED module]: 5W cool white LED metal panel downlight, color temperature: 6000K, high brightness 400 lumens, uniform light color, no ultraviolet rays, no eye irritation, better eye protection. 【Lower energy consumption】: Up to 90% energy saving compared to halogen lamps, with a lifespan of more than 25,000 hours. 【Wide angle】: The beam angle is 120°, you can enjoy beautiful cool light, perfect for living room, bedroom, hallway, hotel, office, library, KTV, basement, department store and many other places you need. strong ceiling light