Generic-8.5in LCD Electronic Memo for Elderly and Children Write to Communicate Portable Intelligent Blackboard

LCD intelligent blackboard using the flexible LCD technology, the use of the dielectric anisotropy of liquid crystal molecules to obtain materials with electro-optical response characteristics, every hard thing can be used to write on it, need no electricity to maintain display (only erase moment need a little bit  electric), no backlighting, do not have harm to the eye.
Specifications:
Color: black, red, green, white, blue (optional)
Battery: 1 * CR2016, 3V, 75mAh
Item size: 22.8 * 14.7 * 0.4cm / 9.0 * 5.8 * 0.2in
Item weight: 110g / 3.9oz
Package size: 23.1 * 15.1 * 8cm / 9.1 * 5.9 * 3.1in
Package weight: 125g / 4.4ounce
Package list:
1 * Writing Tablet