When receiving fire alarm host control signal，The fire alarm sound device sends out strong voice alarm signal, remind the field personnel to pay attention to！
|Operating voltage||DC24V (+10%、-15%)|
|Sound pressure level（A）||75～115db|
If you need any help, please do not hesitate to contact us by Email, we are sure that you will get our response as soon as possible.
Headquarter in Shenzhen
Tel: +86 755 2690 9106
Fax: 86 755 8622 6969
Add: 3F, Guangcai Xin Tian Di Building, Nanshan Road, Nanshan District, Shenzhen, 518054, P.R.China