interactive whiteboard parameter 1. Model:EGU822. Screen Size diagonal (inch):773. Net Weight(Kg):28.54.Active Writing Dimensions(mm)1160*1600*255. Gross Weight (kg):36.56. Whiteboard Dimension (mm):1680*1240*287. Package Dimension (mm):1350*1780*1308. Orientation Precision:0.05mm9. Orientation:5-point /9-point10. Induction Height:1cm11. Working Principle:Electromagnetic Induction12. Projection Ratio:4:313. Resolution:32000*2320014. Attachment Accessories:2-pc electromagetic pen, 10-meter USB line, 1-set Hanging-to-wall Accessories, 1-pc Software Installation CD.15. Transmission Interface:USB16. Opearating System:windows98/2000/2003/xp/vista17. Output Power:less or equal to 1w18. Working Style:Control model/window model/annotation model19. Power Supply Model:USB power supply without any external power supply20. Product Warranty:5 years21. Working Temperature:-10°C-50°C22. Storage Temperature:-20°C-60°CFace of the Whiteboard:Adopting the advanced waterproof and anti-abrasion board materials with a high definition displaying facility, you can use the general cleanser or alcohol to clean the whiteboard.There is an upscale film on the whiteboard on which you can write with an ink pen and the writing can be cleaned by a cleanly damp cloth.Main Founction.1. Writing function:Users can choose and write freely.2. Editing function:Users can modify the ideas easily with copy, paste, eraser and etc.3. Screen function:Users can utilize the curtain, focus lamp, camera and recorder to attract audiences.