LCD DRAWING BOARD 12 INCH - It is adopted with high-tech soft LCD screen; enable you to write smoothly with a slight stroke. The heavier you write, the line will be thicker. The body material is safe, non-toxic and non-radiative. LOCK and DELETE FUNCTION - This kids LCD drawing pad has a LOCK function. Just need switch the LOCK button to the right side, preventing an accidental pressing the delete button ruins your creative art work. Switch The LOCK button to the left side will enable the DELETE button. So easy to handle. PERFECT GIFT FOR KIDS AND ADULTS:This electronic LCD writing tablet is the specially design for all ages all purposes. A great idea for children to use at home, playing outside, anyone who enjoys drawing, as a memo board for the home to leave messages on, for adults taking notes, doing calculation at work, even a product to help those suffering from hearing loss. Also, a great tool for educators to help students learn math and practice. NOTE:1. this 12 inch writing tablet use a CR2025 button battery , which can be replaced. 2. There might be some marks left on LCD screen due to long distance transport, it's normal, just press the delete button to erase. GUARANTEE: If the erase button doesnt work, please replace the battery and erase again. If our product doesnt meet your 100% satisfaction for any reason, just feel to contact with us and ensure faster replacement or refund. Specification: Material: ABS+ circuit board Color: blue, black Power: 1*button cell (Built in) Package included: 1 x Writing Tablet 1 x Stylus Pen