[Expired]DROK USB Voltage Ampere Multmeter
- Amazon.com offers the DROK USB Voltage Ampere Multmeter for $1 via coupon code "OZTFQYV9".
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Features: The USB monitor can display voltage, current, capacitance and power, press the button to switch among seven different display modes. Has two output: Output I is used for both charging and data transfer.