Silarius Pro Series SIL-NVR4K166 4K NVR 16CH total ,8CH POE, 6TB HDD DrayTek Micro distribution optical cables are

Micro distribution optical cables are plenum rated for multi-floor deployment

making it ideal for use in virtually any room or office

Number of PoE (RJ-45) Ports: 8

6kG Package Contents: Bridgeable Amplifier

You can also install one SD Card for alarm event backup recording

Silarius Pro Series SIL-NVR4K166 4K NVR 16CH total ,8CH POE, 6TB HDD DrayTek Micro distribution optical cables areSystem Main Processor: ARM Cortex A7 Processor Operating System: Embedded LINUX Video Input : 16CH (40962160, 2592x1944, 2048x1536, 19201080, 1280960, 1280720, etc) Output: 1 VGA, 1 HD Audio Input: 1 Port RCA Output: 1 Port RCA(Linear, 1k) Audio Bit Rate: 64kbps Audio Compression: standard G711u, G711a, ADPCM_DVI4 Alarm Sensor Input: 4 Output: 1 Motion Detection: 16 Channel, MD Zones: 396 (22 18) Trigger Events: Recording, Email, FTP, Snapshot, Buzzer