Letter reading spray - Envelope 200ml – instant results, traces disappear after 2 minutes, maximum discretion

The Envelope letter reading spray is a revolution in discreet surveillance! The sprayed paper becomes transparent and returns to its original state after 2 minutes. It is ideal not only for detectives or employers, but also for private use.

Advantages of the letter reading spray

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  A discreet way to read the contents of envelopes

  Discreet checking of correspondence is not only practised by detectives. It is often the case that a supervisor wants to check his or her employee for dishonest practices, for example. The conversations of children whose parents have reason to be concerned are also subject to surveillance.

  In such a situation, it is worth reaching for a proven and effective solution that provides 100% discretion. That is why you should be interested in Envelope reading spray!

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  Insight into the conversation in a few seconds

  The use of the preparation is very simple. Spray the envelope with the liquid from a short distance. After a few seconds, the paper becomes transparent and the content of the conversation is no longer a secret!

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  Leaves no trace

  After reading the letter simply leave it and wait. The envelope will return to its original form after just 2 minutes. The addressee will not be aware of the surveillance, as the liquid leaves no trace.

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