Chamberlain 0.5 HP My Q Smart Chain Drive Garage Door Opener with MyQ and Wi Fi Compatibility and Battery Back Up Combination Wrenches 75 Run time (hours) 3 75 Run time (hours) 3 Ultra quiet 1 2 HP direct drive motor with an oil less design provides ample air pumping power up to 125 PSI Monitor and control your garage door from anywhere with MyQ® Access your garage door even during power outages Know you’re safe while meeting requirements of California SB 969 Lifting force equivalent to 1 2 HP Fits garage doors up to seven feet high Box includes 3 button remote 5 Horsepower Rating 1 2 HP Drive System Chain Number of Bulbs Required 1 Maximum Bulb Wattage 100 Keypad Included Yes Remote Control Included Yes Manual Release Handle Yes Deadbolt Included No Rolling Code Yes Rail Included Yes Rail Length (Feet) 7 Package Quantity 1 Manufacturer Color Finish Gray Color Finish Family Gray Warranty Limited lifetime Load Capacity (lbs