The 7 inch video door phone has pinhole outdoor camera, and it's a high technology equipment which is suitable for placement at your main door. The video door phone home intercom system comes with a 7-inch color display, and you can see the clear picture on the screen.CMOS camera with advanced technology offers high definition view. The chrome and brightness is adjustable. You also can keep your desired view or angle. Made from the aluminum alloy panel video intercom system is suitable to be used most outdoor environments. 380 TV lines horizontal resolution makes the picture clearer. Video door phone plays as an intercom, and you can monitor outdoors. Video door phone has door release operation, and can accept a visit from someone or avoid any stranger. Also the video intercom system is easy to use and install.You can set this video security system up with 4 monitors for better coverage. keeping you and your family safe with the video door phone.