VIVOTEK
Up to 30 fps in D1 Resolution
Real-time H.264, MPEG-4 and MJPEG Compression (Triple Codec)
4-CH Video and Audio In
Tamper Detection for Unauthorized Changes
Two way Audio
8 Digital I/ O for External Sensor and Alarm
RS-485 Interface for PTZ Camera Control
DC 12V / AC 24V Compatible Power Input
Activity Adaptive Streaming for Dynamic Frame Rate Control
Professional Rack Mount Compatible Design