Western Digital Purple - 5.4K RPM Serial ATA III 3.5" HDD - 4 TB V-NAND take a more precise aim

take a more precise aim with the 'Crosshairs' on-screen digital target sights

Whether you’re in bright sunshine or a dim room

2160p Screen shape Flat Anti-glare screen Yes Response time 8 ms Display brightness (typical) 350 cd/m² Display brightness (peak) 350 cd/m² Backlight type LED Panel type TFT HD type 4K Ultra HD Touchscreen No Display technology LCD Native aspect ratio 16:9 Display resolution 3840 x 2160 pixels Display diagonal 80 cm (31

and record macros

Western Digital Purple - 5.4K RPM Serial ATA III 3.5" HDD - 4 TB V-NAND take a more precise aimWD 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 for only short intervals, not the harsh 24 7 always on environment of a high definition surveillance system. With WD Purple drives,