This is a 433.92MHZ garage door remote control.The transmission distance is between 50 and 100 meters (open space).Open gates and garage doors without getting out of your vehicle for a new remote control experience and lots of convenience in everyday life! Universal gate remote control - Enjoy a better life! It operates on 433.92 MHz.Different frequency beeps are not compatible. Easy operation and wide adaptability, in bottle truck, garage door, lane door ban, automobile parts modification field can be applied. Press and hold both buttons on the remote control at the same time untiluntil the light flashes from slow to fast, which means the clear code is successful.The light will continue to flash for approximately 15 seconds.Please complete thestage 2 in this period Press the button you need to copy.At this time, the fast flashing light has just changed to a constant state.Press the button you need to copy, then l?indicator by the rapid flashing just below?instant, in a constant on state Press the button on the old remote that needs to be copied and try to stay as close to the copying remote as possible.At this time, the copy remote control will change from on to slow flash three times and then turn on.off, which indicates that thePairing was successful.