1.Blue/red LED Digital Volt mini Panel Meter DC 0-30V
2.Doesn't Require a additional working Power
3.It only have two wires, you can connect to the measure power directlyIt have the polarity reverse protection, won’t damage the meter

 12 months 

1.This product exported Mexico, the United States, Poland,Canada,England,and other countries.

2.We guarantee each product will be checked.

3.If there are bad products, we will promptly pay compensation to customers without any charge.

4.We also sell a lot of similar electronic products, varieties, good quality,cheap price.