WD Purple Surveillance 3.5-inch Hard Drive - 2TB COLLECTION_GAS CARTRIDGE You can play the same

You can play the same music or different music in different rooms and control it from a tablet or smartphone

Voice Canceller Yes

So you can focus on anything you want rapidly

Sophisticated

WD Purple Surveillance 3.5-inch Hard Drive - 2TB COLLECTION_GAS CARTRIDGE You can play the sameWHILE STOCK LASTS!!! WD Purple 3. 5 inch 2TB Serial ATA Internal HDD 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 for only short intervals, not the harsh 24 7 always on environment of a high definition