subject: Consider Home Security Extras in San Diego [print this page] Another feature some consider is having alternatives to pass codes to turn the system on and off, such as retina scans or thumb-print readers. While this might seem like something out of a science fiction movie, these new methods can actually be quite useful. You will never have to remember a pass code again, and there is no chance of such a secret and important part of your home security getting into the wrong hands.
