Screen Size: 6 InchBattery: 2 * 1220 Button Cell(include)Unfold Size: about16 x 15.6 x 0.5cmFold size:about 16 x 7.8 x 1.2cmColour:White / blackMaterial:ABSSize:160 x 77.5mmSmart calculator and LCD writing board, 12-digit display, you can calculate while recording.The writing board supports repeated writing, you can write and record information at any time without paper and ink, which is convenient, practical, and environmentally friendly.LCD screen, no blue light, protect eye health.With erase and lock buttons, you can clear the entire screen by clicking the erase button. The lock button prevents the accidental deletion of data.Replaceable batteries, no need to charge and plug in to use. Low power consumption and long service life.Small size,canfoldable storage, easy to carry.Wide range of uses, very suitable for children or adults to use in homes, offices, schools and other occasions.Package Contents:1 * Foldable Calculator & LCD Writing Tablet1 * Pen1 * English manualNote:Due to the different monitor and light effect, the actual color of theitem might be slightly different from the color showed on the pictures.Thank you!Please allow 1-3mm measuring deviation due to manual measurement.Due to the light and screen difference, the item's color may be slightly different from the pictures.