["20A/50A/100A Digital for DC 8-100V Voltmeter Ammeter LCD 4 in 1 for DC Voltage Current Power Energy Meter Detector Amperimetro Shunt\n\nFeatures:\n4-in-1 Monitor: Voltage,Power,Current, Electricity Energy\nFlame retardant material, rest assured and safe\nBuilt-in high-precision resolution A/D converter, high-precision measurement Wide measuring range\nComes with backlight, short press the button to switch the backlight on and off\nApplications: Electric car, for DC power supply, Solar energy, etc.\n\nNote:\nIf you need an electronic PDF version of the English manual, please contact us for it\n\nFunctions:\nReal-time display\nPower failure for protection\nReal-time storage\nOverload alarm\nBacklight function\nOne-click setting\n\nSpecifications:\n20A\nWorking voltage: 8.0VDC~100VDC\nMaximum power: 2KW\nMeasuring voltage: 8.0VDC~100VDC\nMeasurement accuracy: level 1\nMaximum current: 20A\n\n50A\nWorking voltage: 8.0VDC~100VDC\nMeasuring voltage: 8.0VDC~100VDC\nMaximum current: 50A\nMaximum power: 5KW\nMeasurement accuracy: level 1\n\n100A\nWorking voltage: 8.0VDC~100VDC\nMeasuring voltage: 8.0VDC~100VDC\nMaximum current: 100A\nMaximum power: 10KW\nMeasurement accuracy: level 1\n\nDimensions:\nProduct Size: 90mm * 54.5mm * 28mm (3.54in * 2.14in * 1.10in)\nOpen Size: 85mm * 47mm (3.34in * 1.85in)\n\nPackage included:\n1 * 4in1 Electricity Panel Monitor\n1 * English Manual\n1 * Shunt (When you choose 100A or 50A specifications)"]