【Brand and Model】 This is the CASIO DH-12VT model. It is a product from a reliable brand. 【Power and Functionality】 It operates on solar power. 【Design】 It has a slim design, is easy to carry, and although it's slightly larger, the larger display is easy to see and convenient. - Brand: CASIO - Model: DH-12VT - Display: 12 digits - Shape: Slim Please check the photos and consider purchasing. Please purchase if you understand that this is a used item. *Cleaned with alcohol.