Decko 24300 3/4 Horse Power Heavy Duty Reduced Noise Chain Drive Garage Door Opener with 3 Function Locking Wall Control, Two - 3 Button Remotes and FREE Wireless Key pad Easy installation featuring non-polarized wiring making installing the wiring error free Handles sectional garage doors up to 7 feet tall and 18 feet wide 8 foot extension is available to accommodate larger doors Accessories included: 3 function wall panel, two 3 button remotes and FREE wireless keypad Auto reverse safety system Easy installation featuring non-polarized wiring making installing the wiring error free Handles sectional garage doors up to 7 feet tall and 18 feet wide 8 foot extension is available to accommodate larger doors Accessories included: 3 function wall panel, two 3 button remotes and wireless keypad Auto reverse safety system