https://sputnikglobe.com/20170107/doorbell-technology-breakthrough-1049351849.html
Breakthrough in Doorbell Technology
Breakthrough in Doorbell Technology
Sputnik International
Wanna know who’s at the door before you answer it? Then you definitely need this amazing doorbell. 07.01.2017, Sputnik International
2017-01-07T18:05+0000
2017-01-07T18:05+0000
2022-10-19T19:28+0000
https://cdn1.img.sputnikglobe.com/img/104935/08/1049350848_0:176:560:493_1920x0_80_0_0_f28e24ef69ee592ff620ab04800c5486.jpg
Sputnik International
feedback@sputniknews.com
+74956456601
MIA „Rosiya Segodnya“
2017
Sputnik International
feedback@sputniknews.com
+74956456601
MIA „Rosiya Segodnya“
News
en_EN
Sputnik International
feedback@sputniknews.com
+74956456601
MIA „Rosiya Segodnya“
Sputnik International
feedback@sputniknews.com
+74956456601
MIA „Rosiya Segodnya“
video
Breakthrough in Doorbell Technology
18:05 GMT 07.01.2017 (Updated: 19:28 GMT 19.10.2022) Wanna know who’s at the door before you answer it? Then you definitely need this amazing doorbell.
Thanks to a predetermined tapping sequence this doorbell can switch different sounds. Don’t forget to tell your friends the correct combination.
