DC 0-99.9V .36 inche LED Digital Panel Voltmeter 3 Wires w/Alarm Indicator Green

Specifications:

    1. Supply voltage: 4-30V
    2. Measuring range: 0-100V
    3. Upper/Lower limit setting range: 0.1-99.9V
    4. Upper/Lower limit output mode: on set range will output high level,otherwise output low level.
    5. Minimum resolution: 0.1V
    6. Refresh rate: 300mS/times
    7. Operating temperature: -40 to +85℃
    8. Input reverse polarity protection: YES
    Applications:
    1. DIY power supply, as the voltage display.
    2. Voltage monitoring.
    3. The device overvoltage or undervoltage alarm, or overvoltage or undervoltage protection.
    4. Battery over-discharge protection.
    5. To be more application you develop.

Package Include:
1PCS 3 Way 0-99.9V DC Panel Digital Voltmeter w/Alarm Indicator Green LED Display

Wiring:
Red: power supply +
Black: power supply -, measure -
Blue: measure +