3 in 1 Digital Multi-function USB Tester USB Multimeter for Mobile Phone Power Voltage Current Capacity detecting and USB Charger Testing
Input USB : RTZ, Reset button, press it three seconds will reset
Out USB :
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Voltage: 4V-20V ( 1% accuracy )
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Current: 0-3A ( accuracy of 0.4% )
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Battery Capacity: (0-99999mah)
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Working time: (0-99Hour)
The working time and capacity have memory function when power off.
Package List :
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1 x 3 in 1 USB Charger Tester