4.3" IPS Screen Local ViewingThe included 4.3-inch IPS screen lets you view visitors in real time without opening the door. No WiFi or smartphone is required, making it perfect for the elderly or users who prefer a simple, network-free setup.500W HD Lens with 70° Wide Viewing AngleThe high-definition 500W pixel lens provides a clear view of your doorstep. With a 70° wide-angle lens, you can see visitors and packages clearly, leaving no blind spots at your door.2.4G Wireless Interconnection (No WiFi Needed)This doorbell uses 2.4G wireless interconnection, so it works even without a home WiFi network. The outdoor camera and indoor screen connect directly, ensuring stable performance anywhere.Infrared Night Vision for All-Day SecurityEquipped with infrared night vision, the doorbell captures clear footage even in low light or complete darkness. Monitor your doorstep 24/7 for enhanced home security, day and night.Two-Way Video IntercomCommunicate with visitors via clear two-way audio and video calls. Confirm identities or sign for packages safely without opening the door, even if you’re at home.