Dual power supply of solar-powered and backup battery and backup battery, worry-free in any light condition. and the calculator also has an auto-off function, the calculator will automatically turn off after 5 minutes without operation Comfort to use; The calculator is equipped 30-degree tilted acrylic stand with an ergonomic viewing angle and convenient for your operation, large and clear LED display for easy reading. The calculator and stand are equipped with non-skid feet to ensure safety and stability to use on any surface Designed specifically for women, our calculator features a sweet pink theme that adds a unique and stylish color to your workplace.Nicely cut high-end brings a modern and stylish look. Great for self-use and as a giftGreat for self-use and as a gift Package Include; Calculator x 1 (5.9" x 4.5" x 0.35"); Acrylic Stand x 1