Up to 30 fps in D1 Resolution, 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

Up to 30 fps in D1 Resolution, H.264, MPEG-4 and MJPEG Compression (Triple Codec), Dual Simultaneous Streams, Built-in 802.3af Compliant PoE, Two-way Audio, HTTPS Encrypted Data Transmission, 802.1X Port-based Authentication for Network Protection, Digital I/O for External Sensor and Alarm, RS-485 Interface for PTZ Camera Control, Built-in SD/SDHC Card Slot, DC 12V Output for Analog Cameras, DC 12V / AC 24V Compatible Power Input, ONVIF Standard