Below is a group product of Doorbell.
Product List
* Rating: DC12V +AC120/220V;
* Remote control up to 100 meters;
* Chime: Ding dong or westerminster;
* ...
[Last Updated: 2009-12-10]
* Rating: DC3V +DC12V;
* Remote control up to 100 meters;
* Chime: Ding dong sound;
* Wireless doorbell, ...
[Last Updated: 2009-12-10]
* Rating: AC110/220V/12V;
* Chime: Bird sound;
* Bird sound doorbell, Ding dong doorbell, melody doorbell
[Last Updated: 2009-12-10]