Auto Garage Roller Door Opener Electric Garage Roller Remote Door Opener OUR SHIPMENT All the products are shipped from US warehouse(CA or NJ)! All the products are shipped from US warehouse(CA or NJ)! Input voltage: 110V AC, 80W Motor voltage: 24V DC Rated door area: 161.46sq.ft Maximum door size: 16.4ft * 16.4ft (W*H) / total 269.1sq.ft Temperature: -4°F – 158°C RF frequency: 433MHZ Battery voltage: 12 Volts 27A Pulling force: 250N Maxmium door height: 16.4ft. Max control distance: 164ft Speed: no-load 50 turn Motor winding wire material: copper wire Overload protection type / parameter: 33.07lb Noise: 55 DB The longest single operation time: 40,000 times LED: indicated light This is suitable for rolling doors. Widest: 5 meters Maximum: 3 meters The largest area: 12 square meters. Read more Package Content: 1 X Motor 1 X Control Box Feature: Can power doors up to 269.1sq.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). Read more