- 
                                        
EmpireTech HY-SA20A Standalone Smoke AlarmVendor: HY-SA20ASplit-spectrum sensor technology Test and hush 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
- $129.99
 $139.99- $129.99
 - Unit price
 - per
 
 
