Specfication: Name: LCD Writing Tablet Pressure output: 100-200g Model: GY-WT-1215 Material: LCD, ABS Size: 283×182X6.3mm Battery : CR2025 Screen Size: 226X157mm Weight: 146g Method of Use: 1. Unlock the Lcd writing tablet, press the clear button to earse anything appears on the screen during transpotation and wait 2 seconds before writing. 2. Take out the included pen to write directly in the wrting area. 3. If you want to keep the writing on the screen you can switch the lock near the battery to prevent accidencial deletion. 4. If the writing cannot be cleared, please replace a CR2025 battery at the back of the drawing tablet. Attention: 1. Please press the erase button repeatedly about 5 times to waken the sleeping screen if it has not been used for a long time. 2. Please use the included pen only as sharp item can damage the screen. 3. Writing with forth over 200g leads to irreversible damage to the LCD screen, so please do not write on it too hard. 4. Prevent to put it too long time in the Sun. Package Included: LCD writing tablet*1 Writing stylus pen*1 Battery*1 Color package box*1 Instruction Manual*1