The LEM-550R is QC-Grade HDR monitor for broadcast and post production with a 55-inch OLED panel with UHD resolution of 3840 x 2160. The OLED panel can reproduce a maximum luminance of up to 750 nits. The LEM-550R supports various HDR standards such as SMPTE 2084PQ, Hybrid-Log Gamma (HLG), and others. It also supports multiple color gamuts including Rec.709, DCI, and Rec.2020. Signal I/O includes 3G/6G/12G-SDI input via one, two, or four SDI connections as well as HDMI (ver.2.0).