Calculator Dual-Power Handheld Desk Calculator with 12 Digit Large LCD Display for Students & Kids Feature: Product Name: Calculator Material: Rubber & Plastic Product color: Green Product size:14.8x12x4.8cm/5.83x4.72x1.89in Packing size: 15x12.5x5cm/5.91x4.92x1.97in Net weight：0.12kg/0.264lbs Gross weight: 0.135kg/0.297lbs Description: [Large 12-digit Display] The huge large LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing. Max support 12 digits display. [Dual-power Design] The calculator utilizes both the solar power and battery power (battery not included). As long as you use it in a well-lit environment,the solar panel will provide continuous power to the calculator. [Sensitive and Big Buttons] Once press-ed, the buttons quickly regis-ter and display the corresponding number on the screen. The electronic desk calculator adopts a scientific large button design, which conforms to human habits and is comfortable to tou-ch. [Mulit-Function] Add, subtract, multiply, divide, backspace, grand total, %, M+/M-/MRC, ON/AC button, and auto Powr-Off. [Best for Home & Office] This basic calculator suitable for business, office, home, school or anybody that needs make any sort of calculation from time to time. Package Included: 1× Calculator--- Requires 1 AA battery (not included) Calculator Dual-Power Handheld Desk Calculator With 12 Digit Large LCD Display For Students & Kids [LARGE DISPLAY] - The huge LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing. [SENSITIVE AND BIG BUTTONS] - Your calculation process will be faster and smoother with this calculator’s responsive buttons. Once pressed, the buttons quickly register and display the corresponding number on the screen. The big size of the buttons prevents you from hitting the wrong button. [DUAL POWER DESIGN] - This calculator utilizes both the solar power and battery power (battery included). The solar panel, as long as you use it in a lit environment, will power up the calculator thoroughly. [VERSATILE PURPOSES] -This calculator is designed for many occasions: business, office, home, basic budgeting, school, and more. Use it to assist your personal finance or just a quick calculation session.