The customer comes first! If you have any dissatisfaction with the product, we support full refund within 30 days! Pull-Out Calculator Writing Tablet Doodle Pad Calculators with Lock Button & E-Pen 12 Digit Display Hand-held for Students & Kids Feature: Product Name: Calculator Material: Rubber & Plastic Product color: Black Product size:12.2x9.2x1.5cm/4.8x3.62x0.59in Packing size: 10.5x10.5x1.9cm/4.13x4.13x0.75in Net weight：0.108kg/0.237lbs Gross weight: 0.138kg/0.304lbs Description: Two functions in one: this is a new calculator, a calculator with a writing board, which is convenient for recording. Pre-cise Calculation: Our basic office calculator has an independent calculation chip, which can quickly process multi-digit calculations and calculate accurately. Which improves the efficiency of work and study. Large screen display: 12 Digits, better vision, up-right LCD display. LCD writing: Inkless Drawing/Memo Pads or Paperless Noting/Planning Boards. It can better serve your office and study. Silent Buttons: The handwriting basic calculator uses buttons, which are distinctly concave and con-vex, and feel very comfortable, suitable for daily calculations. When office calculator in use, it is quiet and no noise, and when calculating, it will not disturb others. for home and office use: Pull-out design, easy to carry. Performs common math as well as various financial functions, for both adults and students. Package Included: 1× lculator Viflosae Pull-Out Calculator Writing Tablet Doodle Pad Calculators With Lock Button & E-Pen 12 Digit Display Hand-held For Students & Kids Electronics Gadgets Up to 40% Off Two functions in one: this is a new calculator, a calculator with a writing board, which is convenient for recording. Pre-cise Calculation: Our basic office calculator has an independent calculation chip, which can quickly process multi-digit calculations and calculate accurately. Which improves the efficiency of work and study. Large screen display: 12 Digits, better vision, up-right LCD display. LCD writing: Inkless Drawing/Memo Pads or Paperless Noting/Planning Boards. It can better serve your office and study.