Wireless Alarm Kit (4G)
October 6, 2025
Wireless LCD Keypad
October 6, 2025
Wireless Smoke Alarm
Please login to see the price.
DHI-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
https://www.dahuasecurity.com/search/products?keyword=DHI-HY-SA21A-W2
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