Màn hình chuông cửa ZKTeco VT04-A01  – CVBS system. – 4.3-inch TFT Screen. – ABS Plastic with Sensor button. – Talking/Unlock/Monitoring/Transfer calling/Internal calling. – Support 4 indoor monitors, 2 call panel, 3Locks and 2 cameras/Alarms. – This product is a dedicated video indoor station for VK04-A01 Kit. – Bảo hành: 12 tháng. Vu Baosmnet.vn