DROK Digital Display Amperemeter DC 0-99.9A Current Amper Amp Meter Ammeter 0.56" Green LED 2 wires
Feature:Cutting size: 45.5mm x 26.5mmDimensions: 48mm x 29mm x 21mm  Measuring range: DC 0-99.9AMeasurement Accuracy:   (1% +2 digits)  (Measure 75mV)Supply voltage: DC 7-30V  (2 wires Access)Display: Three 0.56" LED digital tubeDisplay color:GreenRefresh rate: about 500ms/With no current shuntWiring:POWER: Power supply DC 7-30V, Red: Battry Power + ,  Black:  Shunt-INPUT: Measure Current DC 0 ~ 100A,  Red(bigger): Shunt+ , Black(bigger): Shunt-Please refer to the picture abovePackage Includes:1x Digital Ammeter