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Description
Indoor wireless smoke detector
Mod. HY-SA21A-W2 (433 MHz)
SKU: HY-SA21A-W2 (433 MHz)
Description Airshield Series:
The new generation Dahua AirShield wireless alarm system includes devices that are very simple to install, have excellent performance and can be easily managed via a mobile app.
These products offer reliable RF technology, integration with other Dahua systems and maximum flexibility in terms of connection.
Frequency hopping, two-way communication and AES128 encryption ensure the stability and security of transmission, which can reach up to 2 kilometers in open field.
Ethernet, dual-band Wi-Fi, GPRS, 3G and 4G are the supported network modes (depending on models), and you can receive alarm push notifications via app, SMS or call.
AirShield Dahua: invisible connection, tangible protection.
Indoor wireless smoke detector, photoelectric sensor, LED indicator light, smoke alarm, fault, low battery warning (85~90 dB(A) volume at 3 m), coverage area 20~40 m2, test/silent button, two-way communication , carrier frequency 868~868.6 / 433.1~434.6 MHz, AES128 encryption, frequency hopping, 3 CR123A batteries (3-year life), EN 14604:2005, AC:2008 certification
24 month warranty
