Chamberlain B730/WD962 Garage Door Opener Ultra-Quiet Belt Drive, 3/4 HPS with Battery Backup

Now when the power goes out, your garage door opener will still work. The Chamberlain Whisper Drive with MyQ Technology and Battery Backup allows you complete use of your garage during a power outage. The safety and security features will continue to operate as well, ensuring your family is protected in a power failure. As added convenience features the opener has a timer-to-close function that will automatically close the garage door in case you forget, and MyQ technology that allows your garage door opener to automatically control interior and/or exterior lights (with purchase of additional MyQ accessories) so you will never come home to a dark house again. The opener also features smooth start and smooth stop to reduce the noise of the garage door as it opens and closes perfect for homes with a room above the garage.