Computer key design: Ultra-comfortable touch Large LCD display: 12-digit display, perfect for large-scale computing Dual power supply: Powered by one AA battery and a solar panel. Please note that the package includes one AA battery. The solar panel is for auxiliary power only. We strongly recommend using AA batteries for a clearer display. Dimensions: 7.2 x 6.2 x 1.8 inches Exquisite appearance: Champagne gold panel and metallic finish, perfect for everyday office use
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