The USB Doorbell replaces your current one and allows you to play sound effects, audio clips, and WAVS or MP3s. Plug it into your computer to load, then attach it to your existing wiring if it is low ...
A conventional doorbell often uses a physical bell, or a digital equivalent with a rudimentary speaker, to make the universally recognised ‘ding-dong’ sound when a visitor presses the button. But this ...