1. Durable and reliable. 2. Corrosion-resistant sheet, fast calculation speed and low energy consumption. 3. Dual power: Solar and 1-section AAA battery(Not included when shipping). 4. Display: Using Japanese LCD, the font is real, clear, dark, and has no shadow. 5. Size: 12 x 16.7 x 3cm; weight: 145g 6. Material: ABS
