Item Type: LCD Writing Board Power: Button Battery Voltage: 3 V Notes: 1. Manual measuring, please allow 1-3mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.1As a family message board, spend your love for your family, can be placed on the table and table. 2The pressure sensitive LCD writing surface keeps your writing or drawing from any delay. 3Write or draw with the included plastic stylus or any other suitable instrument, even with your fingers! 4Easy to operate, high efficiency, clear partial selectable and one?button clean, convenient and fast. 5Ultra thin and compact design, easy to carry, easy to slide into a briefcase, backpack or other bag.1 x Pen1 x LCD Writing Board