"Chain Reaction DNA" can best be described as the re-invention of the Door Security Chain.Chain Reaction DNA is the ultimate deterrent designed to combat crimes such as Forced Entry and Aggravated Burglary. At the same time if activated it assists the Police in the identification of the perpetrators of these crimes using the latest in DNA trace technology.Unlike other door limiters available today it responds proactively if subjected to a determined attack:First, a high 138 decibel screech alarm is activated to scare the attacker away and alert neighbours and passers by.Second, the attacker and their clothes are sprayed with a DNA trace invisible to the eye but detectable by the police authorities under a UV light - a powerful deterrent to the would be burglar and a major aid to prosecution and conviction.We will be giving YOU the tenant/homeowner greater piece of mind when answering a call at your entrance, you will be confident in the fact that any attempt by the caller to gain un-lawful entry will be met with a proactive response and give protection against a door being forced open.To ensure the system provides its maximum benefits to you and to enable the DNA evidence to be used in a court of law the system is installed by a qualified fitter who is CRB checked.If you would like a demonstration on this product or have any questions please call me on 07736 002007.