1、Visual Intercom: Stay safe with this video doorbell. When someone presses the call key, you can see, hear, and communicate with anyone outside. Easily welcome your visitors by pressing the 'unlock' key on the indoor unit. 2、7 Inch TFT Display: The 7 inch color screen of this intercom video doorbell allows you to Easily adjust brightness, volume, contrast, and choose from multiple ringtones to check external views on the screen. 3、Clear Image and Talking: See and hear through the security monitoring video doorbell and display screen for effective talking and viewing, enhancing overall safety of your home. 4、Convenient Use: The visual video doorbell can connect the screen to see, hear, talk to the outdoor doorbell, and unlock. Indoor unit supports unlocking and card unlocking, offering flexible unlocking options. 5、Easy Wall Mount Installation: Stable signal with wired connection, comes with adapter, rain cover, mounting bracket, 4 core wiring, screws, etc. Suitable for apartments, villas, hotels, offices, public buildings. Item Type: Video Doorbell Material: ABS Camera (Outdoor): Camera: 1/4 HD CMOS Light Source: 6 Infrared LEDs Resolution: 800 x 600 Pixels Screen (Indoor): Resolution: 800 x 480 Wiring Method: 4 Wire 1 x Indoor Unit 1 x Outdoor Unit 4 x Connection Cables 8 x Expansion Screws 9 x Metal Screws 1 x Mounting Iron Sheet 1 x Plug 1 x User Manual 3 x Keychain 2 x Cards