This is a USB monitoring device that can measure current up to 2.5 A and voltage between 3 V and 7.5 V.This can be used to measure current and voltage when your phone is charging via power bank.It is also ideal in monitoring power consuming devices when connected to your computer.This device can measure current up to 3 A and voltage between 3 V and 7.5 V. Resolution for display is 10 mA and 10 mV respectively.The error for voltage is ± 1% and ± 2% for current. It can be used for cellphone, chargers, and other USB-powered devices.Specifications Working Current: 0 to 2.5 A Working Voltage: 3 V to 7.5 A Voltage Resolution: 10 mV Current Resolution: 10 mA Voltage Error: < ±1% Voltage Current: < ±2% Operating Temperature: 0˚ C to 60˚ C Dimensions: 52 mm x 20 mm x 14 mm
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