Details Digital USB Mobile Power charging current voltage Tester Meter Mini USB charger voltmeter ammeter LED displayProduct performance:1. Voltage range: DC 3.3-7.5V2. Voltage range: 0-3A4. Full range voltage drop: 200mV (when measuring current)5. Resolution: Voltage 10mV Current 10mA6. Working temperature: 0-60 What’s in the box1xUSBTester Meter (Straight)2xUSBTester Meter (Bend)
