(Comes with 1 plane of motion wall mounting brackets and remote control) NEC MultiSync M551 55-inch 4K UHD LCD monitor is a high-quality display suitable for digital signage and CCTV applications. With a maximum resolution of 3840 x 2160 and a brightness of 400 cd/m². It also features a response time of 8 ms, a refresh rate of 60 Hz, and built-in speakers for enhanced multimedia experience.