How to pair?
Each door sensor is paired before delivery, you can use it directly. The doorbell is paired. The default ringtones is “Ding-Dong”. User can change the ringtone easily.
Step 1: Press the Forward or Backward button on the receiver to choose your favorite melody.
Step 2: Press and hold down the Volume botton on the receiver for 5s, until it makes a "Ding" sound and the receiver indicator flashes (that means the doorbell entered into the Pairing Mode, the pairing mode will only last 8s, then it will automatically exit).
Step 3: Make the gap of sensor part and magnetic beyond 10CM(4IN) (the sensor send signal to receiver), it will makes a "Ding-Ding" sound and the receiver indicator flashes.
Step 4: Make the gap of sensor part and magnetic beyond 10CM(4IN) again to confirm whether the current ringtone is the one you have set, if yes, the pairing is completed.