Hd Hikvision Door Entry Video Intercom System

7-inch colorful TFT LCD indoor monitor HD video door station with built-in camera Crystal-clear two-way audio communication Infrared night vision for 24/7 monitoring One-touch visitor calling Remote door unlocking support (with compatible electric lock) Plug-and-play 4-wire installation Hands-free communication Durable weather-resistant outdoor unit Ideal for homes, offices, apartments, and villas