Digital Volt Meter LED Mini Display

This mini digital LED voltmeter DC 0-30V adopts 0.36inch digital display and an ultra mini size with three wires, which is designed with reverse connect protection function.

Features:
1. Reverse polarity protection: comes with reverse polarity protection function to prevent meter from burning even when connected reversely, but the screen display nothing.
2. Applications: suitable for automotive, electric cars, motorcycles battery monitoring or other devices voltage current measurement.
3. Anti-collision: the anti-collision protect shell make the digital voltmeter more durable.
4. Clear LED display screen: 0.36'' 5 digital blue LED display, the screen is very bright. It is clear and accurate to read the data.
5. 2/3-wires: the voltage tester gauge equips with two/three wires, the red connects to positive and the black connects to negative.