Color White Type Desktop Calculator Power Source Battery powered, Solar powered Number of batteries 1 CR2 - included (s) Material Plastic, Acrylonitrile Butadiene Styrene (ABS) Item dimensions L x W x H 13 x 12 x 0.1 centimeters Type LCD Display See More About This Item The calculator features a large 12-digit LCD display and giant buttons for easy easy reading and typing. There is solar power capability by this calculatoreven when the battery power is exhausted, it can be used after a this The universal desktop calculator is suitable for home, office, school or convenience store use. Made of durable ABS material. Detachable keys for easy cleaning and assembly. And the compact size is convenient for traveling and packing in bags. Auto power off, independent memory, M+, M-, Grand Total (GT), Percentage (%).