Suitable For Door Access System, Automatic Gate, Alarm System & etc
2 Channel button
Frequency 330
Dip Switch Adjustable
Only 1 step to setup ! DIY 330MHz 8 Digits Number
Open the old Remote Controller casing, you will see a 8 digits number adjuster, then open the new Remote Controller casing,j adjust the 8 digits number follow your old Remote Controller's adjuster.