NEC E558 55 LED Public Display Monitor with built-in ATSC (8-VSB, Clear-QAM)/NTSC Tuner. 55 LED Public Display Monitor with built-in ATSC (8-VSB, Clear-QAM)/NTSC tuner. 3840 x 2160 native resolution (4K / UHD), HDMI 2.0 x3, VGA, Shared Composite/Component, Intuitive Joystick ON/OFF Scheduler, USB Media Player, USB-C Power Delivery, CEC, Integrated 10W x 2 Speakers, Wake On HDMI Functionality, RS-232C / LAN Control, 3 Year Warranty. Tabletop Stand not included (ST-55E) - The 55" NEC E558, a direct-lit, commercial-grade display, is ideal for education, corporate and other digital signage applications. Compared to previous generation displays, this model's 4K UHD resolution and LED direct backlighting allows for higher visual acuity, reduced power consumption and localized dimming that gives a higher dynamic contrast ratio. The E558 has an integrated ATSC/NTSC tuner and dual 10W speakers allow users to enjoy high-definition broadcast capabilities. This display also features a USB player in which video, audio or JPEG picture files can be loaded and played in sequence for signage purposes. 4K UHD resolution allows for high end visual acuity; Integrated multimedia USB player makes digital signage simple; Direct LED backlighting reduces power consumption while localized dimming gives a greater dynamic contrast ratio; Thinner bezel improves display's aesthetics; 24-Hour On/Off timer maintains power schedules; Video signal wake-up function allows for plug and play functionality; Built-in NTSC/ATSC analog/digital tuner allows for high-definition broadcast capabilities; Built-in, low-profile 10W speakers enhance the experience with superior sound; USB Type-C pore for external power supply 5V/3A; Supports Video muting in addition to Audio mute and can also be muted individually; Joystick key for screen guided operation; Tilt back and forth installation (-10 - 10 ) for better viewing angle; New temperature and ambient light sensors. Built-in NTSC/ATSC analog/digital tuner, Variable picture modes Dynamic/Standard/Energy Savings/Theater/Game/Custom), Advanced Video/Audio Settings, HDR Emulation, Variable Sound Modes (Standard/Movie/Music/News/Custom), CEC Communication, First and Custom Detect Options, Sleep Timer, Built-In closed captioning, Parental Control (V-Chip Function), Video Signal Wake-Up Function, LAN or RS232 Communication (limited), USB-C Port for power delivery.