2023 Customized Wireless Projection 86 Inch UHD 4K Multi Touch LCD Screen Portable Interactive Whiteboard Smartboard for School. UHD 4K Resolution: Delivers crystal clear 3840*2160 resolution for sharp visuals. Multi-Touch Capability: Supports pen and finger touch for interactive writing and control. Wireless Screen Sharing: Share screens from computers and mobile devices with one button. Portable Design: Includes portable mounting bracket and external OPS computer. Versatile Media Support: Plays PPT, video, and pictures with real-time annotation. Comprehensive Warranty: 1-year warranty covering hardware and accessories. Multiple Certifications: Certified with CE, FCC, RoHS, CCC, and ISO standards. OEM/ODM Customization: Custom solutions available based on specific requirements.