Feature: 1. Enhanced Safety: The wireless video doorbell provides enhanced security, protecting your privacy from potential hazard or unauthorized network access. 2. Easy to Use: Wireless Setup: The WiFi video doorbell is easy to setup with convenient pairing with indoor receiver for seamless and time saving installation process. 3. 4.3 Inch IPS Display: The wireless video doorbell camera provides vivid and detailed view with 4.3 inch screen display, providing full viewing angles for clear visibility. 4. Stable Connection: The wireless video doorbell intercom system supports Strong 2.4GHz private protocol for wide transmission range and stable connection, allowing remote monitoring with minimal signal attenuation. 5. Multiple Functions: The WiFi Video doorbell camera features seamless 2 way video intercom, low power consumption for extended standby time, quick response time with plug in indoor unit. Automatic photo storage, support for automatic recording, infrared night vision, and six pleasant melodies to choose from. Specification: Item Type: Wireless Video Doorbell Material: ABS Battery: Doorbell: 800mAh Lithium Battery, Indoor Display: 400mAh Lithium Battery (Shipped with Built in Battery) Screen: 4.3 inch IPS Screen Video Resolution: 640 x 480 SD Card: Maximum Support 256G (Not Included) Sound Information: Built in Speaker, Microphone WiFi Mode: 2.4G Private Protocol Working Temperature: -10°C - 50°C Working Humidity: 10%-90% Functions: 2 Way Intercom, Automatic Photo Storage, Automatic Recording, Infrared Night Vision, 6 Pleasant Melodies. Package List: 1 x Doorbell1 x Indoor Display Screen2 x Mounting Base2 x Double Sided Adhesive Tape1 x USB Charging Cable6 x Screws6 x Expansion Plugs1 x Chinese English Instruction Manual