Battery:CR2025 Button Battery Type:Monochrome Handwriting Name:Lcd Writing Pad Working Temperature:5°C-40°C Storage Temperature:5°C-40°C Function:With Anti-Scratch Lock, One-Key Erase Colour:Black Material:ABS+PET+Plastic Size:282x185x5.5mm Package Contents: 1 * Stylus 1 * LCD Drawing Board 1 * CR2025 Button Battery Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 1. Magnetic Learning Toys For Toddler Tablets. No Mess Of Paper, Crayons, Markers Or Chalk Around . The Key Lock Effectively Prevents Accidental Removal, And The Screen Can Be Wiped When The Tablet Is Unlocked. 3. And Portable: Made Of High-Quality Plastic Material, Easy To Carry, Can Be Carried According To Schedule, Briefcase Or Backpack, Suitable For Many Occasions: Living Room, Car, Restaurant, Airplane, Outdoor . 5. Best : The . It Can Be An Educational Toy For Preschoolers. It Can Be A Travel Toy For Long Drives And Road Trips. Great Parent-Child And Ages 3+ On 'S Day, , Homeschooling, Easter, Birthdays, Children'S Day, Thanksgiving, Christmas And Any Occasion! 4. This Writing Tablet Is Waterproof And Drop-Proof, No Need To Worry About Accidental And Liquids Poured On The Screen 2. Multipurpose: Our Doodle Board Is Suitable For Children To Draw, Doodle, Draw, Draft, Take Notes, Study And Crawl , School Or Travel, Etc.