USB Tester Charging Monitor Voltage Current

USB Power Meter USB Tester Charging Monitor Voltage Current HM * Premium Quality Low Cost Solution to Check USB Charging Current and Voltage instantly; * Extremely Portable, Light Weight, Small Size and Durable, No Extra Cable or Power Supply Needed; * Must Have Gadget for D.I.Y Fans and Scientific Lovers when Playing with USB interface electronic devices; * Widely Voltage 3V-8V and Current 0A-3A Test Range Support with Super Measuring Capacity and Accurate Readings; * All-In-One Piece without Blocking Other USB Ports When Monitoring the USB Charging current or voltage.