Check the listing for details. Automatic Roller Door Opener Motor Garage Roll Up Door Powerful 250N w/2 Remotes. Condition: New. Listed at 120.06 USD. Feature Easy Installation Reliable and Long Lasting Powerful Rolling Door Opener Can Power Doors up to 129.1sq.ft Premium Led Festoon Courtesy Light Obstruction Detection Equipped with a Manual Release Handle Automatic Closing Programming Quiet and Smooth Operation Automatic Safety Reverse When Obstructed. Manual Release in Case of Power Failure Led Light Courtesy Right and Left Side Installation Photo-beam/ Safety Sensor Are Available (Optional) Backup Battery Function Is Available (Optional) Access Control Is Available (Optional) 2-Year Warranty Ce Certification Specifications Input Voltage: 110v Ac, 80w Motor Voltage: 24v Dc Rated Area: 10 Square Meters / 107.6 Square Feet Maximum Door Size: 4m*3m Maximum Door Height: 3m/10ft Control Distance: 50 Meters / 164 Feet Temperature: -4°.