It is a fact that bogus callers and intruders who use distraction burglary techniques to entry a property don’t like door chains. They are a very simple device which allows the owner to observe the visitors face without giving them access to the property.

The SGDC is a very simple to install easy to use door chain. It allows inches of viewing space for the owner. Is your door opening too close to the adjoing wall making it impossible to use a door chain or door bar? See the SVDCM SureView Door Chain Mirror, this simple device enables viewing of outside where previously impossible.