1、VISUAL INTERCOM: Make your home safer by allowing you to see, hear, and communicate with anyone outside your home when someone presses the call key. Simply press the unlock key on the in room device to welcome your visitors 2、TFT DISPLAY: The video doorphone system comes with a 7in TFT display that allows easy adjustment of brightness, volume, contrast, and multiple ringtone options to monitoring external views 3、CLEAR VISUAL AND SOUND COMMUNICATING: Home visual intercom doorbell allows you to see and hear security screens and displays, ensuring effective communicating 4、ONE TO TWO INTERCONNECTION: Can achieve one to two connection, all display screens can see, hear, talk to the outdoor doorbell and unlock. Indoor extension unlocking, swiping card unlocking, a variety of unlocking methods are more flexible 5、EASY WALL MOUNTING: Visual intercom doorbell cable connection signal is stable, equipped with adapters, rain cover, mounting bracket, 4 core wire, screws and other accessories, can be used in apartments, villas, hotels, offices, public buildings Item Type: Video Doorphone System Material: ABS Camera(outdoor): Camera: 1/4 HD CMOS Light Source: 6 Infrared lights Resolution: 800x600 Pixels Individual Display(indoor): Resolution: 800x480 Number of Display Screens: 2 2 x Indoor Unit 1 x Outdoor Unit 7 x Connecting Line 2 x Plug 1 x User Manual 5 x Key