Wireless Intercom And Doorbell. Connect Network Wireless.
Wireless Intercom And Doorbell
- A doorbell is a signaling device typically placed near a door. Most doorbells emit a ringing sound to alert the occupant of the building to a visitor's presence, when the visitor presses a button. Many modern doorbells are electric — they are actuated by an electric switch.
- Il campanello or Il campanello di notte (The Night Bell) is a melodramma giocoso, or opera, in one act by Gaetano Donizetti. The composer wrote the Italian libretto after Mathieu-Barthelemy Troin Brunswick and Victor Lherie's French vaudeville La sonnette de nuit. The premiere was on June 1, 1836.
- A bell in a building that can be rung by visitors outside to signal their arrival
- a push button at an outer door that gives a ringing or buzzing signal when pushed
I noticed this doorbell
post when I was about entering a door to receptionist area.
Pinewood, Puncak, West Java, Indonesia
A doorbell dangles off the side of my house after the siding was pulled of during a big renovation a couple years back.
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