• 30 fps at D1 Resolution• Real-time H.264, MPEG-4 and MJPEG compression (Triple Codec)• 8-CH Video and Audio In• Two-way Audio• RS-485 Interface for PTZ Camera Control• 8 Digital I/O for External Sensor and Alarm• DC 12V / AC 24V Compatible Power Input• Professional Rack Mount Compatible Design• Supports Gigabit Ethernet Data Transmission