Features: 100% brand new and high quality. The color of the item may differ slightly from the picture due to differences in lighting and screen settings. Allow slight dimensional differences due to different manual measurements.It is very small, cute and easy to carry. The fully transparent display makes it tasteful and very interesting. Since it is powered by solar energy, you can use this calculator whether you are indoors or outdoors, which is not only completely economical but also very convenient. Not only is it a ruler but alos is a calculator, and it also has a magnifying glass. It is a necessity for students. Kind: Ruler Calculator Material: Plastic Power Supply: Solar Characteristic: Transparent Display, Solar Powered, Ruler Shape,Cute Size: 13cm x 4.4cm x 0.36cm/5.12" x 1.73" x 0.14" (Approx.) Packing list: 1 x Ruler Calculator