88"infrared interactive whiteboard

1.Infrared interactive whiteboard is used in teaching & training 2.CE/FCC/ISO9001:2008 certificates 3.Control by finger, laser point pen and other opaque object 4.No light spots to protect users eyes 5.Easy and convenient operation 6.Strong and abundant software support 7.Durable structure and design for easy maintenance if needed Model GK-880H/88S Induction Way Infrared Sensors Projection Size 88'' Power Supply Input DC5V PC USB Signal Interface USB 2.0; 2.4G RF(Wireless) Effective writing area 1740*1080mm USB Max Length 30m Transmission Speed 12M/s Anti-light Intensity Direct Under the Sunlight Positioning Accuracy 4096X4096 Scanning Speed "First Point: 25ms, Consecutive Point: 8ms" Cursor Speed 180 points/s Projection Display Rate 16:9 Projection Effect High display effect Viewing Angle "Left&Right 170 degree, Up&Down 160 degree" Cleaning Method Washable Working Temperature -20íµ--60íµ (-4F-140F) Working Humidity 10 - 90% Product dimension 1900*1240*36mm Package dimension 206*143*11cm Weight "G.W:40KG N.W:18KG" Function Mouse Writing Object editing Cover screen Camera Remark Zoom Multimedia introduction Multimedia record Accessories Wall Mounted Brackets Wireless Module Pen Tray Pointer Built-in Speaker and Microphone(Optional) Stand(Optional) Product dimension 1900*1240*36mm Package dimension 206*143*11cm Weight "G.W:40KG N.W:18KG"