You can place the Grundig wireless doorbell with 1 wireless receiver anywhere in your home. Place the doorbell button at the front door. The receiver operates with 2 AA batteries. This gives you the flexibility to place it anywhere in your home or even carry it upstairs in your pocket.
The distance between the doorbell button and the receiver is up to 80 meters.
Note: to pair the doorbell with the receiver, first press the code button on the receiver and then press the button on the doorbell.