SE-USB-EM-01 USB Digital Voltage/Current MeterCan display voltage of the supply sourceIt can easily measure the output voltage of the USB port and the device operating current or charging currentUSB Data can still pass through the devicePlug and play, no need extra power sourceSmall size and portableHigh precision, can be connected to devices for long time Range : Voltage 4.5-6V DC, Current 0-2.5A size : 64 x 21 x 14.5 mm 1 x USB Voltage / current Meter Check out my other items!On Jun-20-14 at 10:02:37 PDT, seller added the following information:
