Gearbest - KW - 202 USB Power Current Voltage Detector Portable Tester $1.04 Delivered (code)

KW - 202 USB Power Current Voltage Detector Portable Tester for only $1.04 Delivered after code: 70%OFF$1.

Features:
- Compact design, easy to take and test the USB port's output voltage and working current
- Plug and play, the voltage and current will be shown on the display
- Adopted the new generation integrated circuit, high accuracy, stable operation, best anti-interference
- Suitable for mobile charger, USB disk in factory, lab and personal use

Usually sells for $3.45.