If you like data, or always wanted to know how fast your USB devices are charging this is for you. Pair it with the bluetooth shield and you can capture the data to your computer or smartphone. Make sure to watch the video for some tips on how to use the ZY1270 with Windows 10 and Android.
Pick this meter up on Amazon at http://amzn.to/2yBYuu3 and the Bluetooth shield at http://amzn.to/2jswGWm