Features: 100% brand new and high quality Elastic fit button, comfortable touch of silicone button, beautiful design and the silica gel buttons are wear-resistant and with long service life. Mute button design, quiet study without interference, for students attending classes, large screen. With wide handwrite tablet, LCD screen is dust-proof and ink-free. Safety and hygiene.Use natural light to present handwriting,write without hurting eyes. Clear the screen with one button and write repeatedly. Tough solid thickened ABS and silicone material,durable and easy to use. Package Includes: 1 x Calculator Specifications: Size: Approx 160x93x14mm/6.3X3.6x0.6in Color: Black/Gray/White Material: LCD Liquid Cystal Panel+Durable ABS Frame+Silicone Button Weight:150g Material: ABS Battery: Replaceable CR2032 Battery Function: Calculation, Drafting, Sketch, Writing, Drawing, Making List etc Application: Office/School/Home/Gift Standard: 12-degit Feature: with Wide Handwriting Tablet note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience