* Fast, accurate and safety current measurement from the fuse box
* Feature with large lcd display and mini/ato fuse probe
* Ideal for diagnostic of vehicle's electrical
* Current measurement:
    maximum loading: 30a/48v dc for 10 seconds
    accuracy: ±1%, or 0.1 reading with 1 decimal place
* Voltage measurement:
     range: 1-48v dc
    accuracy: ±1%, or 0.1 reading with 1 decimal place
* Wrong polarity: when user
    reversely connects the polarity, the display will show err
* Continuity test:
    if the measured resistance is less than 1kω, lcd will display err
* Working temperature: 0 to 50°c
    (32°f to 122°f)
* Storage temperature: -20 to 60°c
    (-4°f to 140°f)
* Moisture: <70% rh (working), <80%
    rh (storage)
* Maximum height: 7,000ft (2,000m)
* Power: 9v battery x 1