<p><b><i>Please make sure to consult us before you buy rollup door opener.</i></b></p> <p><br></p> <p><b>Product Specification:</b></p> <p>Part Style:Remote Mount Garage Door</p> <p>Speed:no-load 50 turn</p> <p>Motor winding wire material:copper wire</p> <p>Overload protection type / parameter:33.07 lb </p> <p>Put voltage:110V AC, 80W</p> <p>Noise:55 DBMotor voltage:24V DC</p> <p>The longest single operation time:40,000 times</p> <p>Rated door area:161.46sq.ft</p> <p>LED:indicated lightMaximum</p> <p>Door Size:16.4ft * 16.4ft (W*H) / total 269.1sq.ft</p> <p>OpenerTemperature:-4°F – 158°C</p> <p>Manufacturer Warranty:2 Months</p> <p>RF frequency:433MHZ</p> <p>Custom Bundle:No</p> <p>Battery voltage:12 Volts 27A</p> <p>Opener Pulling force:250N</p> <p>Power Source:Electric</p> <p>Maxmium door height:16.4ft</p> <p>Voltage:110V</p> <p>Max control distance:164ft</p> <p>Application:Rolling Door</p>