The Skylink ATOMS has a powerful 1/2 HPf motor which provides extremely quiet operation. This garage door opener includes a built-in LED light for long-lasting illumination, wall console, one button remote control and chain drive sectional rail system for 7' high doors. This garage door opener also features a soft-start and soft-stop function to reduce wear and tear on the motor and mechanical parts. The backup battery (sold separately) with a built-in LED light keeps garage door opener functional in the event of a power outage. You can also use your in-car garage door remote to control this garage door opener. For added security, the remote includes rolling code technology that generates a unique code for every remote activation. This encrypted code is different from the previous one which prevents your neighbor accidentally opening your garage door when using their remote. Designed for DIY installations with easy and fast sectional rail for 7ft high doors, extensions for 8ft and 10ft available, sold separately.