NVR3-16400(1U) 16CH 3MP NVR Input: 16 Channel (Via Network) Output: HDMI, VGA 1U Case, 2 HDD Audio In/Out, Alarm In/Out, RS-485 1000Mbps Network Features Video: Input: 16 Channel (Via Network) Output: VGA: 800x600/1024x768/1280x1024 HDMI: 1920x1080 Recording: Real-Time 16CH 3MP FPS: 400 (PAL) / 480 (NTSC) Resolution: 2048x1536 Playback: 4 Channels Simultaneously Audio: Input: Depend on Camera Output: 1 Channel (RCA) Mic In: 1 Channel (RCA) 2 Way audio Storage: 2 x SATA (Up to 6TB) Network: RJ-45: 1000Mbps USB Port: 2 x USB2.0 Alarm: Input: 4 (Dry-Contact) Output: 1 (Dry-Contact) PTZ / Keyboard: 1 x RS485