Dahua DHI-HY-SA21A-W2 433MHz Battery-Powered Wireless Smoke Alarm Sensor – 85 dB

(A) – Works with Dahua Wireless Alarm Hub – EN14604 Compliant

(A) – Works with Dahua Wireless Alarm Hub – EN14604 Compliant Features :-

- 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
- Meets the EN14604 standard
- Part of Dahua WirShield wireless alarm system

Note: We highly recommend you upgrade the firmware of this device when installing and configuring it first time using DMSS app

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