ITEM NAME:1X New LED USB Current Voltage Charging Power Detector Tester Volt Meter A VLE Descriptio n Product Name: USB Current and Voltage Meter Test voltage: 3V-8V Test current: 0A-3A Allowable error: Â ±1% Product list: USB charging current voltage *1 Scope: mobile power test laptop USB USB phone charger USB adapter Car charger, etc. Product features: Easy to measure USB output voltage and equipment Working current, small size, high precision, plug and play Note: Support for Android phones and Apple phones High quality buy, happy buyï ¼ LED USB Current Voltage Charging Power Detector Tester Volt Meter Ammeter.Test current: 0A-3A. Working current, small size, high precision, plug and play. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. Note: Support for Android phones and Apple phones.