1.Solar Panel,no need batteries while use it as a calculator.
2.Smooth shift from calculator to numeric keypad Electrical desktop financial accounting calculator can perform the four basic calculation functions and % basic functions as well as calculate taxes with 10 digits LCD display. The decimal place can be adjustable. Easy to carry, Perfect choice for Office Home Business
3.Connecting the USB dongle to the computer, you will have a stable 2.4 GHz connecting and the number pad can be used as an additional keyboard
4.10 digits and a built-in pocket calculator，When it is a caculator, it''s solar powered; when it is a numeric keypad, it''s powered by 2*AAA batteries.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 5.4 inch
Height : 1 inch
Length : 8.25 inch

Item Weight: 3 pounds (View shipping rates and policies)
Shipping Weight: 6.4 ounce (View shipping rates and policies)

ASIN : B01LXZBL5H