The 4K 60Hz QuickShare Dual-Screen Wireless Presentation System - QS400 delivers app-free, cable-free content sharing in up to 3840 × 2160 resolution at 60Hz. Designed for conference rooms, huddle spaces, lecture halls, hybrid classrooms, training rooms, and professional AV installations, it supports dual-screen workflows that display shared content on one screen while showing video conferencing, camera feeds, reference materials, or student content on another. Up to 22 presenters can connect, with content from up to four users displayed simultaneously, and the meeting host can select a specific transmitter directly from the receiver’s touchscreen. With approximately 100 ms latency, 5GHz IEEE 802.11ac wireless connectivity, AES 128-bit encryption, stereo audio, up to 30 m line-of-sight range, and PoE-capable receiver connectivity, the QS400 provides secure and flexible collaboration for modern meeting and learning environments.