The audio / video intercom product is available in various designs to suit and add value to your property. Door Entry Systems give you safety and convenience in checking visitors by both video and audio without having to open the door. Once the person is identifies, the door can be open via the same monitor. For more security you can have the main entrance panel with built-in pin code and electronic lock. This application can be used in commercial and residential buildings, plus in single or group of villa projects.