USB Detector Current Voltage 3V-9V Tester Double USB Dual USB Current Voltage Charging Detector Voltmeter Ammeter Charger Doctor USB Tester DC LED Display

Specifications:
– Voltage range: 3.3V-9V
– Current range: 0-3A
– Voltage display: red
– Current display: blue
– Out put : 2 USB
– Size: 52mm x 34mm x12mm
– Weight: 16g
– Shell color: Dark black

Applications:
It can be used to measure an empty USB-powered devices, voltage loads, USB terminal equipment working voltage and current. Used in factories, laboratories and users.