This MyQ smartphone enabled garage door opener includes a powerful, 1/2 HP motor with industrial-strength chain drive and includes (2) 3 button remote controls, wireless keypad and delivers 200 watts 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 seconds; HomeLink compatible - In-vehicle remote control system; 200 watts of light that turn on automatically when the garage door opens (bulbs sold separately).