ITEM NAME:Dual USB Volt Current Voltage Capacity Mobile Battery Meter Tester Detector Description: Description: - USB Current Voltage Tester - Bright easy-to-read LED display - Voltage Measuring range: DC 3V - 9V - Current Measuring range: 0-3A (error:  ± 1%), 5A biggest support - Color: Black - Material: Plastic Package Included: 1x USB Current Voltage Tester.Bright easy-to-read LED display.