Feature: 1. ENHANCED HOME SECURITY: Experience peace of mind with our video doorbell intercom system. Stay informed about what's happening outside your door with 2 way video conversation, ensuring a safe living environment. 2. WIDE ANGLE VISION: Don't miss a thing with a 170° wide angle view. Enhance your field of vision and see more than just what's directly in front of your door, providing you with complete awareness of your surroundings. 3. EXTERNAL MEMORY CARD STORAGE: Never miss a moment with our external memory card storage option. Easily record videos and snap photos with the automatic recording and capturing features, keeping your memories safe and accessible. 4. VERSATILE SOUND ALERTS: Tailor your alerts with 6 unique doorbell melodies and 5 adjustable volume levels on the indoor unit. Choose the excellent ringtone that suits your style and ensures you never miss a visitor 5. SIMPLE INSTALLATION: Enjoy the convenience of easy installation with wireless technology. The one touch pairing feature makes setup quick and effortless, allowing you to get your doorbell up and running in no time. Specification: Item Type: Wireless Video Doorbell with Screen Material: PP + Electronic Components Color: Black Connection: Wireless Display Screen: 4.3 inch IPS Screen Built in Battery for Display Screen: 602040 Battery 400mAh (Recommended for long term power supply) Power Supply: 5V 2A Recording Resolution: 640x480 Storage Card: Maximum support 128G MJEPG format (not included) Built in Battery for Doorbell: 803450 Battery 1500mAh Sound: Built in Speaker, Microphone . Package List: 1 x Doorbell 1 x Doorbell Shell 1 x Doorbell Back Adhesive 1 x Display Screen 1 x Display Screen Shell 1 x Display Screen Back Adhesive 6 x Screws 6 x Expansion Plastic Pins 1 x USB Charging Cable 1 x User Manual