Description: Healthy and Eco-friendly: The blue light-free LCD screen is used to protect eyes,when you are not using the calculator,you can also put it on your desk as a notepad. Button battery and solar energy, long-lasting battery life, more environmentally friendly and energy-saving. Two functions in one: Calculators, writing tablet, with 12 digits display, the numbers are clear at a glance, write while calculating, very convenient for recording. Comfortable silicone botton: The square button is designed with sensitive buttons and comfortable hand feeling, quiet and noise-free,which brings you more comfortable touch feeling and a silent using experience. Small And Portable: Calculators with Clamshell design makes it easy to carry, perfect choice for business at work, accounting calculations, student calculations, home use, etc. Repeated Writing : Calculators with No dust and ink, LCD handwriting,With an erase button, you can clear the full screen with a click. Specification: Material: Plastic + Silicone Size Chart: 17x15cm/6.69x5.91inch Package Includes: 1 Piece Tablet Calculators Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 3. Wish you a wonderful on-line shopping!