The PN-L2B AQUOS BOARD® range of smart interactive displays combines genuine "4K reading and writing" and an intuitive "Pen-on-Paper" user experience with Zero Bonding and Sharp's PrecisionTouch technology. The single USB-C connector makes it so simple to walk into a room, plug in your device and start working together straightaway. The PN-L2B AQUOS BOARD interactive displays also feature an integrated controller with whiteboard, overlay and wireless functionality to help enhance your productivity. 86" Class (85.6" diagonal) Screen Size Brilliant Ultra-HD (3,840 x 2,160) Direct Lit LCD Display 20-Point PrecisionTouch Screen Technology Built-in SoC controller with Arm® Cortex® - A73 quad-core processor Built-in Whiteboard application for quick meeting notes Built-in Wireless LAN and Bluetooth® connectivity for wireless presentations SHARP Pen Software Included to create on-screen annotations and graphics SHARP Touch Viewer™ Software provides Easy Manipulation of Multiple File Types OPS - Compliant Expansion Slot Optional PN-ZCMS1 AV Soundbar available 400 cd/m2 Brightness 1,200:1 Contrast Ratio Built-in 10W per Channel Stereo Audio System 3-Year Limited Warranty