D-Tech DHI-HY-SA21A-W2 433MHz Battery-Powered Wireless Smoke Alarm Sensor – 85 dB(A) – Works with D-Tech 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 D-Tech AirShield wireless alarm system