Features: Products Made of High-quality Flexible LCD LCD Panel, the Product Quality is Very Good, Very Durable; It Can Be Used for Drawing Design, Drawing, Note-taking, Communication, Calculation, Counting and So On; Calculator Writing Board Light and Folding, Easy to Carry, Calculator Intelligent Automatic Shutdown Function Energy Saving The Writing is Smooth and Can Be Erased Repeatedly. One-key Screen Clearing Function, Low Power Consumption; Very Convenient to Use, Do Not Need Ink, Energy Saving and Environmental Protection; No Radiation, Harmless to the Body, You Can Rest Assured to Use. Specifications: Material: flexible LCD LCD Panel; ABS Frame Product Size: 90mm*151mm*15mm Working Temp: -10-40 Input Pressure: 150-300g Battery Type: rechargeable Lithium Battery Notepad Charging Time: 90 Minutes Standby Time: 6 Months Calculator Display : LED Switch: intelligent Automatic Shutdown Keyboard: silicon Keys Package Included: 1* Calculator Pad 1*Pen (in the Slot of the Panel) 1*USB Cable . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.