... Auto reset 4) Build-in siren, sensitivity adjustable wired/wireless gas detector/detector 1. With the most advanced MCU and central processing ... solenoid valve (12v), exhaust fan (110v/220v), and wired/wireless alarm system3. Build-in siren, sensitivity adjustable4. Auto reset5. ... )QG001D: local alarm, Exaust fan (110/220v output), wireless output, wired output, valve (12v output)QG001E: local alarm ...