2PCs USB Detector Current Voltage Tester Voltmeter Ammeter Portable for Mobile Phone

USB tester can measure the voltage when the USB power supply equipment is no-load, and the voltage and current when the USB terminal equipment is working. With current and voltage cycle display, USB tester is easy to use and practical, which can be small and easy to carry, no need for additional power. This electric energy tester adopts a new generation of 4 1Celsius2 semi-integral cyclic conversion integrated circuits, equipped with a accurant band reference source, which supports accurate range, high , stable , performance, strong anti-interference ability and high temperature resistance. Item Type: USB tester Color: Blue Celsius White (optional) Working Range: Voltage: 3.5V-7V Current: 0A-3A Resolution: Voltage: 10mV Current: 1mA Error: Voltage: Full-Scale Voltage Drop: 200mV (when measuring current) Working Temperature: 0-60 celsius Size: Approx. 14mm Celsius 0.6in Approx. 20mm Celsius 0.8in Approx. 52mm Celsius 2in