1、7 Inch AHD LCD Screen: The indoor video intercom doorbell system features a 7 inch AHD color digital LCD screen, offering a no radiation, low power consumption, truly HD widescreen display. 2、Adjustable Brightness and Volume: The video intercom system allows you to adjust the image brightness, color, and volume according to your preference for a personalized experience. 3、Slim Design: 1pc outdoor HD camera and 1pc indoor color screen video intercom doorbell system. You can both see and speak with all visitors. With a super slim design and intuitive interface, the indoor video intercom doorbell system exudes elegance and luxury, adding a touch of sophistication to your home decor. 4、Night Vision and ID Card Function: Outdoor camera with night vision infrared function and ID card capability for added security. IR night vision camera, you can see clearly who rings the bell even at night. 5、Easy Installation: Wired connection stability clear vision for home security, allows you can know who is at the door and talk to him or her. can be used in apartments, villas, hotels, offices, public buildings. Item Type: Wired Video Intercom System Material: ABS, Aluminum Alloy Weight: Approx. 918.00g / 32.38oz Screen Resolution: 1024xRGBx600 Total Current: Less than 800mA Call Delay Time: 120s±10% Surveillance Delay Time: 40s±10% Camera Sensor: HD 1080P Outdoor Unit Infrared Night Vision: Low 10LX Infrared Activation Indoor Unit: Approx. 216x140x16.5mm / 8.5x5.5x0.6in Outdoor Unit: Approx. 95x142x37mm / 3.74x5.59x1.46in Installation Type: Wall Mounted 1 x Indoor Video Intercom Doorbell System 1 x Outdoor Camera 1 x Wall Mounting Bracket for Indoor Unit 1 x 5P Connection Cable 1 x  Plug 7 x Screws 6 x Expansion Plug 1 x Instruction Manual 7 x Access Cards 3 x Connection Cables