Features: The Calculator is practical to decorate your desktop,with 12digits on LCD wide screen displayed, Double power driving supplying, good ABS to produce a smooth rounded surfaces, ergonomic viewing for offering clear and comfortable viewing feeling, best for office and finance. 12 digital LCD wide screen display, clear and comfortable viewing feeling. Double power driving supply, battery+light energy, automatic switching, when there is light, it switches to the light energy, or powering by button battery AG10, which can use for much hours. Sensitive button to increase computational efficiency, reasonable key position, suitable height. Specifications: Product: Calculator Color: White Material: ABS Digits: 12 digits Battery: AG10 Product Size: Approx 16.2x10.8x2.65cm/6.38x4.25x1.04in Package Includes: 1PC Calculator note: Please allow 1-2cm errors due to manual measurement. Pictures may not reflect actual color due to different monitors.