Latest LCD technology: : The LCD painting board adopts the latest in pressure sensitive LCD technology, unleash the essence of creativity on an LCD screen that is eye-safe and does not emit light. Numbers, paintings and spelling are expressed in clear and smooth pen lines and record team communication and brainstorming. The most powerful office assistant: : The digital painting board replaces paper. The digital whiteboard can write about 100,000 times. It comes with a replaceable CR2016 button battery. The notepad for writing, drawing and leaving messages is used as a communication tool and can also be quickly deleted with the click of a button. Excellent design: : Ultra-thin, portable (25.6 x 17.3 x 0.5 cm, 259g) and equipped with all functions. Two magnetic adsorption magnets can be used as a notepad on any blackboard or electronic device. The writing board can also be used for writing shopping lists, tasks, recipes, leaving messages for family members, or making daily work notes and memos in the office. Easy to use and carry: : 11 inch LCD writing board that is easy to carry in a bag or book. You can take it to school, office, and home easily. It will be your best assistant in the office . Customer service guarantee: : Richgv always offers you a hassle-free purchase. We offer you 24-hour customer service. If you have any questions, please feel free to contact us. We will definitely solve your questions.