Detailed Product Description 1. Unit Size:Φ107X44mm2.Standby Current:≤35uA3.Alarm Density: 30ppm,Alarms Not Activate Within 120minutes 50ppm, Alarms Within ... minutes 300ppm, Alarms Within 3 minutes4.Alarm Current: ≤30mA5.Sensor: Electrochemistry Carbon Monoxide Sensor6.Superbright LED Display7.Alarm Sound:≥85dB(3m)8. Low Battery ...