Benq ST550K 55" LED 4K Ultra HD Black public display

139.7 cm (55 ") 4K Ultra HD 3840x2160, 350cd/m2, 1200:1, 6ms, HDMIx3, USBx4, 8Wx2, 15kg, Black The BenQ ST550K is the ideal dynamic signage solution for in-store displays. Capture the public's imagination with its stunning 4K2K UHD image, Can be driven locally from a USB flash drive, no additional media player needed. Create, edit, display and manage your message using either the BenQ X-Sign app or custom Android™ OS solution.