JYXCN 4K Smart Business Board — 86-inch | Child Lock & USB Media Playback for Office and School

A professional 4K interactive display built for classrooms and meeting rooms: a 75-inch IPS LED panel with 3840×2160 resolution and a 1200:1 contrast ratio. Two computing options are available: Cortex-A55 1.9GHz (Android) or Intel 12th Gen i5 (OPS Windows 10). Storage and memory configurations: 4GB DDR4 RAM, 32GB EMMC (Android); 16GB DDR3/DDR4, 512GB SSD (OPS). Connectivity includes Wi‑Fi 5GHz/2.4GHz, HDMI×2, USB 3.0/2.0×4, RS232 and RJ45. The unit supports USB media playback via its USB ports and features a child lock for secure use in school environments. Physical dimensions: 1963.5×93.4×1167.5mm (L×W×H).