V42D 2 Wires Red Light Display Mini Digital Voltage Panel Meter, Measure Voltage: DC DC 1.7-25V, S-DT-0537G, S-DT-0537L, S-DT-0537R

1. 100% brand new and high quality.
2. Small and lightweight, easy to carry.
3. Display devices use high bright LED digital tube, stunning display effect.
4. Measure Voltage: DC 1.7-25V. (Lower than 1.7V measurement is not accurate, Higher than 25V will be burned)
5. The voltmeter only two wires: Red line connects positive, Black line connects negative.