When it comes to affordable reliability, Chamberlain® has homeowners covered with the C273 Smart Garage Opener. Built to be long lasting, the C273 meets California SB-969 legislation, letting homeowners safely access their garage doors during power outages with the included battery backup. With the remote garage door monitoring and control of myQ® and a durable design featuring half-horsepower lifting capacity, the Chamberlain C273 Smart Garage Opener is manufactured for your safety and convenience.