How to Use the Doorbell Machine?
After installing the door lock, connect the Doorbell machine to the USB power port, then press and hold the doorbell icon button on it for 10 seconds until you hear a sound. Then you can use the doorbell module function.
How do you choose your favorite doorbell sound?
After the doorbell machine is in use, you only need to press and hold the music icon button next to the machine once to change the doorbell sound. The doorbell machine stores dozens of music options, so you can select your favorite one!