GUYUCOM 8.5-inch Robot Pad Single-color Screen with Lock Button

• Simple alternative to pen and paper, just like using pen and paper.
• Comes with a lock button, prevents the accidental erase.
• It's very light weight and can attach to a metal surface with the magnets on the back to act as a shopping list tool.
• Environmental-friendly and a money saver: You don't need to waste money on papers, pencils or erasers anymore, one writing tablet can repeat 100,000 times, which means save 100,000 pcs paper.
• Suitable for all ages, from young to old. A great idea for toddlers to keep them busy at restaurants, anyone who enjoys drawing, as a memo board for the home to leave messages on, even a product to help those suffering from hearing loss. Also, a great tool for educators to help students learn math and practice. 

Specifications:

• Model No.: 085D
• Writing lines color: Greenish
• Size: 8.5 inches length (234*150*5.4 mm / 9.21*5.91*0.21 inches)
• Net weight: 115G / 0.25LB
• Power supply: Button Cell * 1, CR2016 
• Lifespan: 100,000 times erase

Including:

• LCD writing tablet X 1
• Stylus X 1
• Lanyard X 1
• Self-adhesive magnet X 2