Wireless Smoke Alarm DHI-HY-SA21A-W2
| 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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