Feature: 1. 7inch LCD Display: The smart doorbell features a clear and vivid 7inch color digital display providing high definition visuals ensuring you never miss a detail. With night vision infrared function. 2. Video and Voice Intercom System: Presents real time video and voice communicating with visitors in crystal clear detail. Now identify, interact or dismiss visitors from your comfort zone. 3. Easy Installation and Easy Operation: The doorbell is designed for DIY setup, with easy to follow instructions included. It provides one button controls for easy and convenient operation. 4. Versatile Power Supply: The video doorbell supports a wide voltage range of 100‑240V, suitable for almost all kinds of home electrical systems without worrying about power compatibility. 5. Enhanced Security for your Home: This advanced smart doorbell ensures safety and security with its real time surveillance feature, providing peace of mind to homeowners. Up to 24 rings to choose from. Specification: Item Type: Video Intercom System Material: ABS, Aluminum Alloy Display Resolution: 800x480RGB Screen Size: 7 Inch Supply Voltage: 100‑240V Call Delay Time: 120S±10% Surveillance Delay Time: 40S±10 Camera Sensor: HD Color CMOS Up to 700 Lines Outdoor Machine Infrared Night Vision Function: Low Open 10LX Infrared Open Indoor Unit Size: 220x140x21mm / 8.7x5.5x0.8in Outdoor Unit Size: 69x152x52mm / 2.7x6.0x2.0in Installation: Wall Mounted Gross Weight: 1047g/2.3lb. Package List: 1 x Indoor Unit1 x Outdoor Unit1 x Indoor Unit Hanging Plate1 x 4P Connection Cable1 x Power Plug6 x Screws6 x Bolt1 x Hex Wrench1 x Instruction Manual3 x Accessory Note: All data are measured manually, and there are certain errors in the measurement results.