8500 LiftMaster Elite Series Wall Mount Garage Door Opener New, direct from LiftMaster, OEM product Quantity Powerful 24V DC motor provides ultra-quiet operation, along with variable speed smooth start and smooth stop Easy wall-mount installation means no rails to hang Auto-force feature constantly monitors garage door system and adjusts forces to temperature fluctuations, floor height, and door track movement The Smart Garage Door Opener lets you electronically program security codes from the MyQ Control Panel or the powerhead Enclosed gear case provides continuous lubrication and protection for longer life and smoother operation A 6-foot power cord makes connecting to a power source easier than ever Remote light delivers 200 watts of light with adjustable light time delay Meets all UL325 requirements SAFETY & SECURITY FEATURES The Protector System safety sensors project an invisible light beam across the garage door opening and automatically reverse the door if anything interrupts the beam while the door is going down Sensing technology will stop the door from closing if contact is made with a person or object Opener light turns on automatically when The Protector System's infrared beam is broken Security+ 2.0TM rolling code technology assures a new code is sent every time the remote control is used Manual release handle in case of power failure Lifetime motor warranty 5-year parts warranty To reduce the risk of injury to persons - When the LiftMaster Internet Gateway is used with garage door openers, the operator must be installed with sectional doors. Please contact us prior to purchase if you are unsure about compatibility.