Using LCD screen without blue light and radiation, it has a good protective effect on eyes. It can cultivate children's image thinking and creativity, which is the best choice for children's gifts. Made of high-quality ABS material, it is safe and reliable to use. It is paperless, which saves at least 10000 sheets of paper a year, and the magnetic graffiti board can be erased with only one button without charging or connecting. There are 3 sizes for you to choose from. Writing board is suitable for home, school, office and can be used as a perfect gift for your kids. Item Name: LCD Handwriting Tablet Material: ABS Style: A: 8.5 Inch Red, B: 8.5 Inch Blue, C: 8.5 Inch Black, D: 8.5 Inch White, E: 8.5 Inch Green, F: 4.4 Inch Pink, G: 4.4 Inch Blue, H: 4.4 Inch Black, I: 6.5 Inch Pink, J: 6.5 Inch Black, K: 6.5 Inch Blue Battery Model: 1 x CR2020 Button Battery (8.5 Inch), 1 x CR2016 Button Battery (6.5 Inch), 1 x CR1220 Button Battery (4.4 Inch) Features: Ink-free, Smooth Writing, Pressure Sensing Size Details: 8.5 Inch Handwriting Tablet Size: 27.7cm x 14.6cm x 0.5cm/10.91" x 5.75" x 0.2" (Approx.) 6.5 Inch Handwriting Tablet Size: 17.8cm x 11.5cm x 0.5cm/7.01" x 4.53" x 0.2" (Approx.) 4.4 Inch Handwriting Tablet Size: 11.5cm x 8.5cm x 0.4cm/4.53" x 3.35" x 0.16" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x LCD Handwriting Tablet