- Allows you to monitor the charge voltage and current of your digital USB device to ensure the optimal charge rate
- Easy to read dual color LED readout shows red for amperage and blue for voltage
- Use to check the output voltage and amperage of mobile charger cables, power usage of your device, and compare the performance of USB chargers
- Dual USB outputs can also be used device charging and data transfer and for charging mobile phones, tablets and other USB devices
- Specifications: DC voltage: 4-20V, +/- 1%; DC current: 0-5A, +/- 1%
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