1.Power: 6F22 9V battery;2.Detection: Co gas;3.Range: 0-999PPM;4.LCD Backlight: blue;5.Main Functions: settable alarm point, silence, low voltage   warning, malfunction warning, outrange warning, density   value display;6.Alarm Light: red;7.Circuit Operation: green;8.Fault: yellow;9.Alarm Sound: ≥75dB;10.Static Current: ≤15uA,Average Alarm Current: ≤30mA11.Sensitivity Control Point (Factory Default): 100PPM,

     setting range: 50-900PPM (setting precision: 10PPM);12.Work Environment: Ambient Temperature: -10°C~+55°C,                                       Ambient Humidity: ≤95%R.H.13.Service Life: 3 years14.Unit Size: 80*143mm15.Housing Material and Colour: ABS, yellow/white16.Weight: 135g

LCD Displayer Portable Carbon Monoxide Detector(Co Alarm)