HY-SA21A-W2
Wireless Smoke Alarm
> 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
Dahua Wireless Smoke Alarm HY-SA20A-W2
SKU: DHI-HY-SA21A-W2
$77.00Price
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