OSALO OS-200ML Large Screen ABS Calculator Solar/Battery Powered 12 Digit Finance Calculator, English Version With a large HD 12-digit LCD display for easy reading The electronic calculator supports solar power supply and battery power supply Designed with rubber feet pads at the bottom, prevents sliding while in use Made of quality ABS material, with large keys, durable to use Suitable for many occasions: business, financial, office, shop, home, school, and more Specification: Product size: 165*162*37mm Material: ABS Dual power supply: solar or 1 x AAA battery (battery not included) Note: It is recommended to install the battery to avoid insufficient light, resulting in an incomplete display. Package included: 1 x Calculator 1 x English and Chinese User Manual