The MailSecur will detect all the same threats and objects as x-ray machines do: guns, knives, explosives, etc.

But the MailSecur also detects items that would typically be missed by x-ray.

Shown here is a demonstration of the MailSecur mmWave mail screening system by RaySecur, delivered by Chief Security Officer Will Plummer.

Without any training, an operator can clearly see liquids, powders, and conventional threats. These elements don’t look like part of a standard letter.

They’re out-of-place, and so should raise suspicion.