Features:
100% Brand New and High QualityDisplay color: Red (dual display)Operating voltage: DC 4.5 ~ 30VMeasure voltage: DC 0 ~ 100VMinimum resolution (V): 0.1VRefresh rate: ≥500ms / timesMeasure accuracy: 1% (± 1 digit)Minimum resolution (A): 0.01AOperating Current: <20mAMeasure current: 10A (direct measurement， built-in shunt)Operating temperature: -10 to 65° COperating Humidity: 10 to 80% (non-condensing)Mounting cutout: Approx. 4.6 x 2.6cm/1.82 x 1.03inchDimensions: Approx. 4.8 x 2.9 x 2.2cm/1.89 x 1.14 x 0.87inch
conection of terminal wires

terminal  white- black:black wire conect to nothing insulation seal

terminal white-black :white wire conect to the cathode of machine/controller/accumulator DC 4.5 ~ 30V
terminal  green-red- black  :green wire conect to the cathode of machine/controllerterminal    green-red-black    :red wire conect to the cathode of machine/controller/accumulatorterminal   green-red-black:black wire conect to the cathode of accumulator

Package Included:
1x Voltmeter Ammeter