86 Inch Wireless Control 20points 4K Touch Screen Wall Mount Android and Windows Interactive Board Flat Panel for Education and Conference. 4K Ultra HD Resolution: Delivers crystal clear 3840*2160 display quality for sharp visuals. 20-Point Multi-Touch: Supports 20 simultaneous touch points for smooth interactive writing. Dual OS Compatibility: Fully compatible with both Android and Windows operating systems. Wireless Screen Sharing: Share screens from computers and mobile devices with a single button. Integrated Camera & Mic: Built-in camera and microphone enable seamless video conferencing. 1-Year Warranty: Comprehensive 1-year warranty covering hardware and accessories. Multiple Certifications: Certified with CE, FCC, RoHS, CCC, ISO9001, and ISO14000 standards. Customization Available: OEM/ODM services and custom solutions available upon request.