LiftMaster® 8155W Series 1/2 HP DC Belt DriveGarage Door Opener Specification:Drive Type: Belt drive for ultra-quiet operationMotor Power: 1/2AC/DC: ACBuilt-in Wi-Fi® allows for smartphone control with the myQ® app Lights Turn On When Entering Garage: NoSecurity / Lock: NoBattery Backup: NoSoft Start / Stop: NoTimer To Close: No Features:Built-in Wi-Fi® allows for smartphone control with the myQ® App.Works with Amazon Key: Enables convenient and secure In-Garage Delivery. Learn more Featured Accessories 893LM 3-Button Remote Control 877LM Wireless Keyless Entry System 374UT Mini Universal Remote Control