This MyQ smartphone enabled garage door opener includes a powerful, 1/2 hp motor with industrial-strength chain drive and includes two 3 button remote controls, wireless keypad and delivers 200 W of light for added safety, MyQ smartphone app control - monitor and control your garage door with your smartphone, MyQ Gateway (CIGBU - sold separately) require for app control, quick-install rail system provides faster and easier installation - rail assembles in 60 secs, HomeLink compatible - In-vehicle remote control system, 200 W of light that turn on automatically when the garage door opens (bulbs sold separately).