SIB. Video intercom system for apartments & buildings. Supports 3 monitors. Opens the door lock from outside using RFID card. Outdoor camera, night vision up to 2 meters. Working temperature -35C to +55C. View angle 85-92 degrees. Power supply DC 12V 5A. 4-wire system. High-resolution night vision, monitoring, calling, speaking, unlocking, remote controlling. Works with code 1161.