1. Durable and reliable. 2. Corrosion-resistant sheet, fast calculation speed and low energy consumption. 3. Dual power: Solar and 1 x LR44 battery. 4. Display: Using Japanese LCD, the font is real, clear, dark, and has no shadow. 5. Size: 10.7 x 17.4 x 2.2cm; weight: 149g 6. Material: ABS
