... wall adopting Samsung LCD panel, with super narrow gap 5.3mm, Full HD 1920x1080, LED backlight and 450nits. specifications Panel Size46inch BrandSamsung Out ... Contrast Ratio3500:1 Resolution1920*1080 Brightness450cd/m2 gap between panels≤5.3mm BacklightLED Viewing Angle178°/178°(H,V) Power220W Response ... surveillance monitoring. 46inch LCD video wall with super narrow 5.3mm gap and LED backlight