- Dual voltmeter, real time monitoring 2 battery packs of vehicles. Built-in blue LED digital display, clearly shows you the current readings of working voltage, helps you to better monitor your car battery condition
- Supports large input voltage range of DC 12-24V. Built-in over-current, over-voltage and short circuit protection, well protects the whole circuit well.
|Surface Size:||48.5 * 24mm|
|Installation Size:||37 * 21mm|
Would be better if it switched on and off like a rocker switch but still pretty good