A few people have been asking how to I know the current draw of my devices, here is how I know. Usb Tester/Multimeter: http://amzn.to/2nekYPz
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The Kearny Fallout Meter an expedient radiation meter pt1
The Kearny Fallout Meter or KFM is an expedient radiation meter Part1 In part2 I will show you how to charge and use it.