Apple Studio Display, Standard Glass, Tilt and Height Adjustable Stand, Model No. A2525 MKQU3LL/A, Part No. MKOQ3LL/A.  27-inch (diagonal) 5K retina display, 5120 x 2880 pixels, 600 nits brightness, P3 wide color gamut, True Tone technology,12MP ultrawide camera, six-speaker sound system, three-mic array, one Thunderbolt 3 port, and three USB-C ports.  NIB/SEALED