Tips for using the writing pad:  1. When the writing pad is left for a long time or not used for a long time, the delete button may not be deleted. Please remove the battery, rub it with your fingers, or clamp the positive and negative poles of the battery with a metal object for 3-5 seconds , You can reactivate the battery, do not reverse the front and back of the battery, reinstall it into the writing board and delete it normally; 2. The initial state of the handwriting pad lock button is off, please confirm whether the lock button is turned on for the first use. Features: - SCREEN LOCK AND ERASE KEY: Built in a screen lock key to avoid accidentally erased while you writing. Don't worry about losing the important image or data. One button erase the contents easily and quickly by the erase button. - EASY AND FUN TO USE: Just as easy as using a notepad, you can draw and write anything on it. Children can have all the fun without the mess afterwords - LIGHTWEIGHT AND PORTABLE: net weight only 145g with the pen (about 5.1oz). It's easy to take in a purse, scheduler, briefcase or backpack anytime and anywhere. - ECO- FRIENDLY AND ECONOMICALLY: The drawing board is environmental friendly and non-pollution. It can erased over 100,000 times. Only when you press the erase button, it will cause power consumption. The battery can keep working for up to 1-2 years and you can change it easily. You no longer need to buy paper and pens, save paper and money. - BEST GIFT FOR KIDS AND ADULTS: High quality LCD screen enables the lines be smoother and clearer. No dust, no radiation, no glare, protects your eyes. Exercise children's drawing and writing skills. And a good helper for work. It is the perfect gift for almost any occasion including Birthdays, Christmas, New Year or any other occasion you can think of Model: EP0109 (rough handwriting)  Net weight: 142.4g  Size: 220 x 190 x 8.5mm/8.66x7.48x0.33''  Colour: white, grey, black, yellow, pink, green Display panel: flexible LCD panel  Writing power: 50-200 GF  Writing times: ≥100,000  Power supply: CR2032 Button Battery (3V 210mAh)  Standby current: ≤8uA  Erase current: ≤15 mA  Storage temperature: 0℃~40℃  Note:  Please allow 1-3mm differs due to manual measurement.  Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.     Package includes: 1 x LCD Writing Tablet  1 x Stylus Pen  1 x User Manual