Brand ECVV Connectivity technology DVI Pressure sensitivity 1 Cubic Inches Operating system Linux Special features 8.5in About this item 8.5 Inch LCD Writing Tablet This Updated Version is Much Improved in Brightness and Writing Experience. Common Pencils, Paper, and Rubber Are Easy to Get Messed and Dirty by Kids, This Pad is Avoided All These Problems, Clean, Funny, Colorful, and Interesting to Boys and Girls This Pad is Only About 0.15kg, Very Light-weighted, Made of Durable Plastic, and Easy and Safe for Kids to Play with and Carry. It is a Great Writing Tablet and Drawing Pad for Kids. the Writing Tablet is Waterproof and Anti-fall, No Worry About Accidental Dropping off and Water Pouring on the Pad. This is an LCD Writing Tablet for Kids, the LCD Screen Has No Radiation and No Glare. and It is the Same Effect As Common Paper