DC motor battery backup belt drive garage door opener.
This LiftMaster model features energy-efficient operation that consumes up to 75% less power in standby mode.
LiftMaster 8550
With MyQ Technology you can monitor and control your garage door and house lights with the optional Internet Gateway accessory. The battery backup is a nice feature to rely on, it enables you to get in to your garage even when the power is out.
This operator features great manufacturer warranty on the motor and belt.