["Features:\n1. The minimum mA and mV levels can be displayed (200V range cannot display mV levels)\n2. Lens silk screen, Chinese and English, international common unit symbols, clear at a glance,\n3. The on-board simulator can be automatically reset to zero (30153 series current cannot be automatically reset to zero, occasionally the customer needs to manually reset to zero if it does not return to zero)\n\nSpecifications:\nWorking voltage: DC4~30V (recommended 5~12V)\nMeasuring current range: DC10A (display mode 0.000A~10.00A)\nVoltage measurement range: for DC 100V (display mode 0.000V~10.00V~100.0V)\n for DC 200V (display mode 0.00V~10.00V~100.0V)\nRefresh time: 300ms\nDisplay mode: 0.28 inch 4-digit LED\nProduct size: 60.00×28.60×22.00mm\nHole size: 57.5×26.0mm\nProduct weight: 25g\n\nLead definition:\nThin red line: positive-pole of instrument power supply\nThin black wire: the negative electrode of the power supply of the instrument is also a common ground wire\nThin yellow wire: measuring voltage positive\nThick red line: the positive-pole of the current test, in series with the negative-pole of the load\nThick black wire: the negative-pole of the current test, connected to the negative-pole of the load power supply\n\nPackage included:\n1 * Voltmeter Ammeter\n2 * Leads"]