FREE FDA REPORT: The FDA encourages manufactures and clinical uses to minimize the radiation exposure to patient and users. The free report is provided as educational material to you. Imaging exams should be conducted only when medically justified. When such exams are conducted, patients should be exposed to an optimal radiation dose – no more or less than what is necessary to produce a high-quality image.

This free informative pdf report,  great primer and overview as to how the backscatter x-ray imaging machine operates. Covers basic physics involved with backscatter imaging systems.  Just enter 0 for the price.  

More than just a radiation detector, the NukAlert™ is a patented personal radiation meter, monitor and alarm. Small enough to attach to a key chain, the device operates non-stop, 24/7 and will promptly warn you of the presence of unseen, but acutely dangerous levels of radiation. Used nationwide by federal, state and local first responders, law enforcement and the Dept. of Defense, the device is the ideal solution for increasing individual security and awareness of radiological threats. It will be very reassuring to know, with confidence, when you and your family are out of the worst danger.