DAHUA AirShield DHI-HY-SA21A-W2 Wireless Smoke Detector White Photoelectric Alarm
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Description
The DAHUA DHI-HY-SA21A-W2 AirShield wireless smoke detector utilizes split-spectrum photoelectric technology for early fire detection. It features a loud 85–90 dB audible alarm with visual LED indicators for standby, fault, and low battery states. Powered by a replaceable CR123A lithium battery, the unit operates for up to three years without wiring. Two-way encrypted wireless communication ensures reliable connectivity up to 1000 metres in open spaces. Integration with the DMSS mobile application enables real-time remote alerts for enhanced property monitoring. Installation requires simple ceiling mounting suitable for residential homes, apartments, and small commercial environments.
Sensor Type: Photoelectric Split-Spectrum
Alarm Volume: 85–90 dB @ 3 m
Battery Type: 1 x CR123A Lithium (3V)
Battery Life: Up to 3 Years
Wireless Frequency: 433.1–434.6 MHz
Wireless Range: Up to 1000 m
Mounting Type: Ceiling Mount
Material: ABS Plastic
How to use this product - from Virtus experts
These guides are created by our experts with years of real-world security surveillance experience. Get a free project quote tailored to your needs — contact our team at Virtus Electronics today.
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