Functional Features：

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Used to emit a strong sound alarm signal after confirming a fire on site, in order to remind on-site personnel to pay attention. The product adopts an aluminum alloy shell and a long-life motor, with strong alarm sound and the ability to obtain high decibel sound when low voltage and low power input are used. The product has great adaptability and has low requirements for input power, allowing it to be used within a large voltage range.

Technical Parameter：

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Working voltage: DC20V~DC30V
Alarm volume: 75-115dB (3 meters from the front)
Working current: ≤ 20mA
Dimensions: Φ 152mm × 48mm
Environmental temperature: 0 ℃~+40 ℃ Storage 

Usage environment：

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temperature: -20 ℃~+70 ℃
Relative humidity: ≤ 95% RH (no frost)