RDS Innovations Limited retains the Intellectual Property Rights on a global scale concerning two totally new and innovative door security products, these devices are targeted toward the residential security market to first and foremost automatically protect the occupants of a home when answering a call at their front door and used as an opt-out security device can give 24 hour protection from a door being forced open. One of the main characteristics of these unique security products is the ability to spray individuals attempting unlawful entry into your home with a UV based forensic marker, the substance is totally non-toxic, recognised globally and device specific using the latest in DNA based forensic trace technology! These totally new and innovative forensic deterrents will be an ideal residential solution to aggravated burglary/home invasion robbery! As only when maliciously activated have the devices been designed to automatically sound an alarm and at the same time evacuate a non-toxic UV based forensic marker at the individuals attempting to force unlawful entry into your home, this gives the Police/Law Enforcement a window of opportunity to establish the identity of the perpetrators using UV lighting technology and the DNA trace provides the ability of tracking criminals back to their crime scenes.