Power Supply
rechargeable battery 3.7V Lli ion
Sensor
Fuel Cell: 0~4.0‰ BAC
Mouth piece
Auto trigger blow tube
Display
4-LED array display with unit indicators
Keyboard
2 keys operation: "Esc" & "OK"
Auto flow monitoring
Auto Flow detect
Sampling system
DC 26V 0.2A
Operating Temperature
DC 26V 0.2A