Product Search 
Tel: 01392 445111 Exeter 
Tel: 01454 616479 Bristol 

DHI-HY-SA21A-W2(868) Smoke Detector (DHALARM17)

DHI-HY-SA21A-W2(868) Smoke Detector 
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 
Please note: you must be logged in to be able to add items to your favourites
Our site uses cookies. For more information, see our cookie policy. Accept cookies and close
Reject cookies Manage settings