door bell

Product Overview

Description

doorbell

 

DC battery powered  or AC powered

sound : ding-dong   or 12 melody

plastic case  different shape

we make about 20-30 kind of doorbell.

 

 

 

 

 

 

IT WILL BE VOICE"DINGDONG" WHEN SOME ONE PRESS THE BUTTON OF THE DOO BELL,THEN YOU
KNOW THERE'S SOME ONE OUT OF THE DOOR