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Wireless Smoke Alarm
Dahua
Wireless Smoke Alarm
Stock Code: HY-SA21A-W2(868)
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> Split-spectrum sensor technology
> Test and silence features in one single button
> Loud sound output over 85 dB(A) at 3 meters
> Low quiescent current consumption
> Surface-mount device (SMD) circuit board design
> Low battery warning signal
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