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Dahua AirShield Smoke Alarm HY-SA21A-W2
Dahua AirShield Smoke Alarm HY-SA21A-W2
Dahua AirShield Smoke Alarm HY-SA21A-W2
Dahua AirShield Smoke Alarm HY-SA21A-W2
Dahua AirShield Smoke Alarm HY-SA21A-W2
Dahua AirShield Smoke Alarm HY-SA21A-W2

Dahua AirShield Smoke Alarm HY-SA21A-W2

Dahua AirShield Wireless Glass Break Detector ARD512-W2

HY-SA21A-W2 868Mhz

  • Photoelectric sensor with split-spectrum technology.
  • Sound output: >85 dB(A) at 3 meters.
  • European certification EN 14604:2005+AC:2008.
  • Battery life: 3 years (replaceable CR123A).
  • Two-way communication with frequency hopping.
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€42.00
()
Delivered in 2 to 4 days
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Reference:
HY-SA21A-W2 868Mhz
Brand:
Dahua Technology
Description

The Dahua DHI-HY-SA21A-W2 is an advanced wireless smoke alarm, certified to the EN 14604 standard, essential for residential security in villas and apartments. It features a photoelectric sensing chamber with split-spectrum technology, enabling early smoke detection while minimizing unwanted alarms. In an emergency, it outputs a powerful sound over 85 dB and sends real-time notifications to the DMSS App. Its design includes a single button for both testing and silencing, ensuring simple and effective fire safety management.

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Product Details
HY-SA21A-W2 868Mhz
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