Aideepen 2 Pcs 0.28\""Digital Voltmeter Ammeter DC 0-100V 10A, Volt red&blue\nDescription\n\nFeatures:\n--\u2714\u3010High Precision\u3011Measure accuracy: 1% (\u00B1 1 digit). Ground wire of testing end and power supply terminal is the same wire; quick refresh of about 300 MS/time.\n--\u2714\u3010Connection Protection\u3011Require external power supply; With reversed connection protection(If there is any problem with the product, please feel free to contact us)\n--\u2714\u3010Built-in Shunt\u301110A voltage and current meter itself has a built-in shunt.\n--\u2714\u30102 Colors for Distinguish\u30110.28\"" Led Display Voltage and current simultaneously in different colors, (the current is measured in the negative rail), bright LED, easy to read.\n--\u2714\u3010Measuring Range\u3011 Voltage measuring range: DC0-100v; current measuring range: 0-10A(decimal point move automatically)\nProduct Details:\n--Publisher: Aideepen\n--Publication date: 0\n--Item weight: 40 g