Doorbell for Large Homes: 2 push buttons simultaneously trigger 2 chime units. The range of wireless doorbells for home extends over 1000ft in open space. Great for large homes, apartments ...

There was already a traditional wired doorbell in his home ... But a quick tap of the doorbell button would tend to go undetected. After investigating the issue, [Nick] found that he needed ...

A wired doorbell system has three components: a low-voltage (15- to 20-volt) transformer, a chime and a doorbell button. They ...