Liftmaster 81600 1/2 HP DC Chain Drive, Wi-Fi & Bluetooth

Connectivity myQ® Mobile App lets users close the garage door from anywhere, open it for anyone and get alerts. Built-In Wi-Fi for the easiest way to connect the garage. Next Generation garage technology: Improved Wi-Fi® connectivity and enhanced memory to support new myQ features and solutions. Integrated Bluetooth technology: Reduces setup time and makes it even easier to connect to the myQ app, other myQ devices and smart home technology solutions Performance DC Motor is purposefully designed and built to last. Chain Drive system for steady performance and industrial strength. Soft start/stop for smooth operation. Safety and Security Safeguards garage access by sending a new code with every click. Alert-2-Close signals when a door is being closed by myQ®. The Protector System® invisible light beam auto-reverses the door if there is an obstruction. Compatible Rails G1707: 7 foot rail. G1708: 8 foot rail. G1710: 10 foot rail.