Visual feast powered by ultra HD image4mm tight pixel provides exceptional display performance and perfect embodiment of Ultra HD LED technology.Superior consistency coupled with low brightness and high grayscaleP4 is endowed with superior consistency under low brightness status,Website: , even reduced to 20% brightness.Seamless connectionPatent connector is able to adjust seam, making seamless connection. Installation and dismantle time is only 1/4 of traditional panel.Front Maintenance within 5 seconds, Saving Time and Labor costFront-access module and modular design of power supply boost maintenance speed.Quick installation with magnetic moduleMagnetic module design enables 5 times quicker installation than average screw module.