●(12-bit ultra-large display) Adopts a 12-bit wide wide font display, and a scientific 15-degree angle design for convenient prescription count, so your eyes wont get tired ●Power Saving: The color calculator can use 1 AAA battery. (This product does not include batteries, please prepare it for yourself.) Automatically closes within 10 minutes after no use. Press any key to activate the calculator ●(Cute Design) The calculator incorporates stylish color coordination. Cute round big button, comfortable to touch and wont catch the buttons on the shell ●Square anti-slip design: The calculator is made of high quality ABS and has an LCD display. Stylish and durable. There are 4 mini non-slip mats on the back to prevent slipping when using ●【Often Used】Widely used in offices, financial offices, schools and homes