* Operating voltage: 120/230V AC (support 9V back up battery);

* Alarm output: Sound&Flash alarm;

* Japan NEMOTO electrochemical sensor

* Alarm level: >400PPM CO between 4-15 minutes;
               >150PPM CO between 10-50 minutes;
               >70PPM CO between 60-240 minutes;

* Drivable accessaries: electromagnetic valve & exhaust fan;

* High Reliability sensor;

* MCU processing adopted,SMT adopted,good stability

* Malfunction auto-check indicator

* Dimension: 118.5*82*43mm .  
            
* Execute criterion:GB15322;EN50291;UL2034