1. Material: plastic
2. 12 digits large screen design, quick response
3. Soft keys, comfortable touch
4. Angle tilt, easy to read
5. Anti-slip design of the base, placed firmly and stably
6. Dual power supply design, long life, more durable
7. Power supply: solar energy / AA battery x 1 (delivery does not include)
8. Size: 15 x 12cm