I had two garage doors and replaced the two doors with one and then I only needed one opener. LiftMaster Model 8355 Standard Features: * LiftMaster® 1/2 HP AC motor belt drive system delivers smooth-running power and reliable performance year after year * MyQ® technology lets your customers monitor and control their garage door and house lights remotely by using a smartphone, tablet or computer (LiftMaster® Internet Gateway accessory required). The LiftMaster® Internet Gateway is only compatible with LiftMaster® garage door opener models 8355, 8360, 8550 and 8500 * Security+ 2.0™ technology changes to a new code with every click, transmitting multiple frequencies and ensures operating consistency and extended range even in the toughest interference areas * Motor Vibration Isolation System (MVIS®) delivers smooth, quiet performance. A perfect choice for homes with a living space above or next to the garage * Electronic limit settings provide simpler, faster installation * Auto-force allows the garage door opener to adapt to weather and changing environmental conditions, ensuring optimal performance and eliminating the need for manual adjustments * Energy efficient operation consumes up to 75% less power in standby mode