0.56" led digital display DC2.50-30V voltage meter waterproof

1. Measuring Range:2.5-30V

2. 0.56" LED disolay

3. colour: red/green/blue

4  Measurement accuracy: 0.1V

5. Measurement rate: 500mS  

6. Hole size: 46x27mm.

7. Good stability and high measurement accuracy Appearance in a standard size,

8. easy to install  

9. need auxiliary power.  operating voltage: 2.5-28V,  with power supply reverse polarity protection.