Chamberlain 0.5 HP My Q Smart Chain Drive Garage Door Opener with MyQ and Wi Fi Compatibility and Battery Back Up Pry Bars 2‑year warranty on REDLITHIUM USB 190246 2‑year warranty on REDLITHIUM USB battery Frequently Asked Questions (FAQ): textured linens 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