12TB Western Digital WD Purple Surveillance Hard Drive drives are White/Gray Many traditional intercom systems make

Many traditional intercom systems make it difficult to clearly see or hear who is at the door

and intrusion alarm

4ch 1080p Lite 1U H

8 x 10/100/1000 Mbps ethernet ports

12TB Western Digital WD Purple Surveillance Hard Drive drives are White/Gray Many traditional intercom systems make12TB Western Digital WD Purple Surveillance Hard Drive drives are This listing includes: (1) ACCESSORIES:12TB 12TB view data sheet WD Purple Surveillance Hard Drive WD Purple drives are designed to meet the challenges of 24x7 video surveillance recording. These drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run