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%) |
| Operating current | ≤20mA |
| Dimensions | Φ152mm |
| Sound pressure level（A） | 75～115db |
| Environment temperature | -10℃～50℃ |
| Environment humidity | ≤95%RH |
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
E-mail: sales@fhsjdz.com
Add: 3F, Guangcai Xin Tian Di Building, Nanshan Road, Nanshan District, Shenzhen, 518054, P.R.China
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