Our SR-xA92 outdoor fire alarm is an electronic sounder or a bell. The alarm makes a loud, high pitched sound to notify people that there is a fire in the building/house/other places that is easy to be caused a fire. Here are the main features：

Easy intallation! Long loundly!
It's suitable for bank,shop,building,supermarket.and so on...
1) Appearance, firm structure; can match back box;
2) Easy to install, the typical American installation; 12V or 24VDC optional; 
3) Has low power consumption, large volume, ring-tones crisp, continuous work extremely long life characteristics;
4) Perfectly configured in a variety of alarm systems.

Technical specification
Voltage:    24V/12V optional
Operating voltage limites:    16-33VDC
Operating current:    20mA
Sound pressure:    82dBAMIN.@10ft
Size:    150mm（6"）
Weight:    700g
waterproof level:     IP65
Stuff:    iron
back box:    The back box needs to be purchased separately