Dahua Wireless Smoke Alarm DHI-HY-SA21A-W2(868)

· 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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· 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

Brand

Dahua

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