1. Wide range of voltage meter: DC4.5 ~ 40V

2. 5V /. 2A output current capability (input voltage 6.5 ~ 40V to stabilize output at 5.0V voltage)

3. A key ( "Output Enable" button) switch USB output, a key ( "Low Power" button) to enter the ultra-low power

4. Car voltmeter can be self-calibration, will never exist without accurate voltmeter problem!!

5. with reverse polarity protection, reverse polarity does not burn

6. with over-current, over-temperature protection

7. with USB Power Indicator

8. The band terminals, easy access lines

9. The high efficiency, low ripple

10. The module dimensions: length 58mm width 21mm height 10mm

11. Weight: 13g