DC 100A 100V Digital Amp Volt Meter Voltmeter Ammeter Blue Red LED Current.Shunt

The four points of the shunt cannot be changed at will! 1x 100A shunt. 2: Appearance adopts standard scale, easy to install. Display: Double three-digit 0.28 "digital tube, blue + red two. Working current: ≤20mA.

eBay