USB Volatage/Amps Power Meter, Digital Tester Multimeter Test Speed of Charger, Cables, Computer, Power Bank

Wide Range of ApplicationsUSB power meter tester can be connected to the charging adapter, and can also connect the charging cable plug, easy to find digital devices charging problem existed and protect the electronic equipment, perfect measurement for the tablet, cell phone batteries, rechargeable treasure, 5V routers and any other 5V USB digital device operating current, voltage, and battery capacity. | Accurate MeasurementAccuracy: plus or minus 1%, accurate measurement data. Input Voltage: 3V-15V, Voltage Resolution: 0.01V, Test Current: 0.05A-3.50A, Current Resolution: 0.01A, Capacity Range: 0-19999mAH | Data Storage High voltage or low voltage will be alarm, LCD screen arrow, the backlight LED will alarm prompts through flash. Press the button LED screen will be light on 30S. | Easy to use & CarryWith LCD screen, easy to see the current and voltage of the devices.Smallsize , no power , and other ancillary equipment, plug and play also detect USB charger output voltage and curre