Description: This solar ruler calculator is mini and lightweight, which can be carried with you easily and conveniently. This solar ruler calculator also has the functions of magnifier, which is multifunctional and practical. It is constructed of plastic material. The length of this solar ruler calculator is 12.7cm and width is 4.3cm. This solar ruler calculator is suitable for student and school. Item Name: Solar Ruler Calculator Material: Plastic Features: Multifunctional, Large Display Screen, Mini Size Details: 12.7cm x 4.3cm(Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Solar Ruler Calculator