They are about 8 months old. The only thing they asked was serial number (no receipt) , pic that the chip reader is flashing and then your name and mailing address.  Try it out and see 

I experienced the same issue at an event. Both of my chip readers failed simultaneously and began blinking red lights. It's very unusual that they would both enter a "tempered" state at the same time, especially since I never dropped them and always ...