TMEZON Video Intercom System, 7 Inches Video Doorbell Door Phone System, Wired Video Door Phone 2 HD Camera Kits Dual-Way Intercom for Villa House Office Apartment 2-IR Camera 3-LCD Color Monitor
- ¡¾Multi-device interconnection¡¿Support connect with additional 2x CCTV camera,2x PIR alarms,2x electronic locks, giving you more comprehensive protection for your home..
- ¡¾About the extension wire¡¿The extension wire is not included in the box,but we will provide the 4 pin connector for you connect the extension wires.You can use RVV4(4 core wire)/Cat5/Cat6 wires to extend the distance for monitor to doorbell, monitor to monitor according to your need, maximum distance 100-200 meters..