SOPHISTICATED 4in1 MULTIMETER: DROK USB meter is a highly practical testing tool for measuring voltage, current, power, capacity via your phone/USB cable or other electric device. It is a portable and handy device for you to detect the quality of the power source/ USB wall charger/ USB car charger anywhere and anytime you want.
SIMPLE & EFFORTLESS ONE BUTTON OPERATION: One button on the back achieve all the operation of the USB multimeter such as screen rotation, data clearing. No complicated operation or setting needed. Can easily operate it, even you are not the electricity expert.
DETECTING, CHARGING WITHOUT HAMPERING EACH OTHER: Our multiple USB detector is not only a multimeter but also a USB charger supporting Qualcomm Quick Charge 2.0. It is compatible to all USB devices with 5V, 9V or 12V output and to devices such as iPhone, Samsung, Android, solar panel, etc. The USB signal line do not affect normal USB telecommunication.
MULTIFUNCTION: Our feature-rich pocket digital multimeter can be used for OVER-VOLTAGE & UNDER-VOLTAGE ALARM; CAPACITY AUTOMATIC STORAGE; SCREEN ROTATION. Using humanized DROK alignment tool, you can easily monitor the output voltage, current of your mobile cables, power use of Arduino board.
100% RISK-FREE SATISFACTION GUARANTEE- We offer you 100% risk-free satisfaction guarantee to let you buy with confidence. Besides, if you have any questions or confusions, please feel free to contact us, we are always here to assist you. So, ORDER NOW!! Don't hesitate to bring the Multi-functional DROK USB Digital Multimeter to your home.