HiEmbedLogic USB Current Voltage Charging Detector Battery Tester, Voltmeter Ammeter Red+Blue LED Display Dual USB-A Output - 2 Pcs($9.99Value)

Description

[USB VOLTAGE CURRENT TESTERS]--- The device can measure and display voltage and current data simultaneously, can detect a variety of power supply output voltage and current in realtime. Compatible with any USB type A power source or load. PLUG AND PLAY]--- Super easy to use, Small size, No power, No external wiring. Can be used for other ancillary equipments to detect USB charger output voltage and current. Suitable for factories, Laboratory, DIY, laptop computers, phones users and other USB power bank etc. [BRIGHT AND CLEAR DISPLAY]--- Comes with bright LED Segment digital display and is readable from 10 feet distance even in outdoor. Provides high precision, quick response time, stable and reliable performance. Measuring range Voltage: 3.0V-9V. Current: 0-2.5A, Max 5 Amp. [PACKAGE CONTAINs]---2x USB Type-A Charger Dectector Current Voltage USB Tester Technical Specification: Resolution: Voltage 10mV, Current 1mA Operating Range: V = 3~7.5V, I = 0~2.5A Max 5 Amp Full scale drop: ( When measuring current ) 200mV Error: voltage <± 1% current <± 2% Compact and easy to carry , no additional power supply. Perfect for finding faulty charging wires -- or faulty USB charging plugs.