For a wide variety of colors, a customized color liquid crystal coating with color display is available. To rapidly clear the screen and begin again, lightly press the Hall sensor area located at the top of the pen pad. Simple and efficient, the corner is made to hold the pen and secure it magnetically so that it won't fall out. Handwriting on a non-backlit screen that reflects natural light is safe for the eyes. Reusable; don't throw away paper. When scanning the screen, the Zero Power LCD monitor uses very little power. If the screen is cleaned 100 times a day, the single button cell battery can last up to 365 days. Send heartfelt messages, notes, and reminders to show your love. Use the top button to clear the screen.