Operating voltage: 85-265V AC;

Alarm level: 150PPM(±80PPM); Sound level: ＞85dB/m;

High reliability semiconductor sensor; Sensor life: 10years;

MCU processing; Auto-check sensor failure;

SMT manufacture technology; Sound&Flash alarm;

Can work with electromagnetic valve & exhaust fan (optional);

Wall mounted; Dimension: 115*72*41mm.