Samsung qb43b digital signage flat panel 109.2 cm (43") va wi-fi 350 cd/m² 4k ultra hd black tizen 6.5 16/7product design: digital signage flat paneldisplay diagonal: 109.2 cm (43") display technology: va display resolution: 3840 x 2160 pixelsdisplay brightness: 350 cd/m²hd type: 4k ultra hdwi-fi. operating hours (hours/days): 16/7operating system installed: tizen 6.5product colour: black