Planar Part Number 997-8188-00 Product Name LX55HDU-L-ERO-F Technology Commercial-grade direct view LCD Diagonal 55 inches Aspect Ratio 16:9 Native Resolution Panels 1920 x 1080 Tiled Bezel Width 3.7 mm Brightness (typ) 500 cd/m or nits Response Time (typ) 8 ms Contrast ratio (full field) 3500:1 Full viewing angle 178 degrees Backlight life (1/2 brightness) 50,000 Hrs Mounted depth 3.7" wall to front of screen Acoustic noise Fanless operation Heat load 520 BTU per hour at 500 nit Operating temperature range 5 - 40 Degrees C Operating humidity range 20-90% RH non-condensing Backlight control Individual and wall control Backlight sensing and reporting At display level Display module position sensing Auto-sensing integrated