1、Fast and convenient tax calculation, large LCD screen displays up to 12 digits. 2、The keyboard adopts ergonomic design, the sound quality is clear, and it is safe to use after many times of tapping tests. 3、The tilted screen is used to facilitate screen reading, and it calculates accurately. 4、Both solar and battery power sources have long battery life and are easy to use. 5、Every of our product has been strictly tested and the quality is guaranteed. ----------------------- Condition:100% Brand New Item Type: Calculator Features: 12 digits Large display Two power supply methods: solar energy/button battery [CR2025 capacity 50mah] Total abdication percentage Common automatic shutdown calculation function Size: Approx. 160 x 160 x 40mm/6.3 x 6.3 x 1.6in Power Battery: 1 x Button Battery (included) CR2025 capacity 50mah. Solar powered, no need to replace the battery ----------------------- 1 x Calculator1 x Manual