Visitor's chime
Used at home,office or shop to welcome guests;
It sends out music automaticly when somebody pass through it;
When the switch is put on"music",there are ten music to be chosen
When the switch is put on"voice",it will sends out"hello,welcome"
Power supply: 3*AAA or adaptor(not included)
Unit size: 10.5*6.1*4.1cm