1. Durable and reliable. 2. Corrosion-resistant sheet, fast calculation speed and low energy consumption. 3. Dual power: Solar and 1-section AA battery(Not included when shipping). 4. Display: Using Japanese LCD, the font is real, clear, dark, and has no shadow. 5. Size: 18.5 x 15.6 x 4.1cm; weight: 260g 6. Material: ABS
