Until the 1930s, most doorbells were the bell or buzzer type, hardly pleasant sounding, according to Robert Dobrin, owner of ElectraChime Doorbells (he dubs himself Chief Ding-Dong Officer) in ...

First Alert, maker of smart smoke detectors and other connected devices, now has a doorbell -- the Onelink Bell. A "smart doorbell system," as First Alert calls it, the Onelink Bell has a lot of the ...

Sarthak Jain designed an automated touchless doorbell with ultrasonic sensors. The sensor can detect the presence of a person or object within a distance of 30 to 50 cm and produce the ‘beep ‘sound ...

Homeowners have praised an £11 Amazon doorbell for being 'foolproof' and a 'game changer' when it comes to missed parcels. The buzzer, which has received 9,000 ratings, features a wireless security ...

This will absolutely bug you out! Florida woman McKenzie Sterdivant’s mom complained that a mysterious, uninvited visitor would ring her doorbell at 3:00 a.m. every morning. However, when her mother ...