OFFDIX Graphic Calculators, Solar and Battery Dual Power Electronic Calculator Portable 12 Digits Large LCD Display Calculator for Students,Staff and Teachers

Description

Features:

>HD DISPLAY:

1. Display: Use of Japanese LCD, letters is legible and striking, thick black, no shadow

2. Metal surface:It is aluminum material  to achieve better protection.

3. Number button:German ink, durable.

4. Circuit board:anti-corrosion board, good conductivity, strong adhesion of carbon oil

5. IC fast: fastrunning, low energy consumption

6. Button glue: theuse of new raw materials and refined high-quality silicone oil, feel morecomfortable

7. Line: Complywith European environmental standards.

9. Button batteries:  more powerful, long life, easy to replace

10. The outer protective shell can avoid the keys  being scratched and The antiskid silicone pads can not easy to slide

>SOLARENERGY

1. American optoelectronic technology, high photoelectric conversion efficiency, long serving life, able to provide adequate electricalenergy, more environmentally friendly.

2. Even if the light source is covered, the built-in power supply can protect the calculation

>COMFORT KEYS

1. In accordance with ergonomic shapes and configurationsto conform to natural finger movements.

2. With the large buttons you will never be hitted the wrong numbers again. They are really easy to press and make theperfect "clicking sound".

3. Imported silicone conductive rubber, resist fatigue,comfortable hand feeling, more accurate.

 Specification:

*Dimension (L×W×H):6.5*3.19*0.67 inch

* Weight: 0.28 lbs

* Approximate Battery Life: 3 years (basedon one hour of operation per day)

* Operating Temperature: 32℉ to 104℉(0℃ to 40℃)

Package includes:

- 1 x Calculator

- 1 x Button battery (LR44)

- 1 x User manual