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: 11.9 x 14.8 x 3.6cm; weight: 118g 6. Material: ABS
