Advanced 2.4G WiFi Connectivity: Seamlessly connect to your home network for real-time video and audio communication with visitors without need for complex wiring. Duplex Intercom System: Engage in clear two-way conversations with guests thanks to high-quality audio system, ensuring you never miss a visitor. 4.3 inch LCD Display: Monitor your doorstep with large screen that offers crisp and clear visuals, enhancing your ability to see who's outside. Infrared Night Vision: Keep your home safe even at night with powerful infrared night , allowing you to identify visitors in low light conditions. Smart Peephole Viewer: Upgrade your traditional peephole with a smart viewer that provides a broader and perspective of your surroundings. Color: Black Material: ABS+PCBA Note: Memory card not included Package Contents: 1 sets 4.3-inch Home Security Smart Doorbell Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.