1. Material: Environmentally friendly ABS, electronic components
2. Features: large screen display, 12 digits, dual power supply, large buttons
3. Display digits: 12
4. Built-in solar battery: 200mAh battery
5. Battery: No. 7 (AAA) battery x 1 (battery is not included in delivery)
6. The metal surface is made of thickened aluminum material to achieve better protection
7. The key numbers are made of German ink, which is durable
8. Fast IC, fast computing speed, low energy consumption
9. Good photoelectric conversion efficiency, can provide sufficient power, more convenient to use
10. High-definition LCD display, clear display
11. Anti-slip rubber pad on the back, stable placement
12. Product size: 12.4 x 15 x 4 cm
13. Net weight: 143 grams