Material: steel and copper Color: Silver Origin Length: About 12cm The maximum length of the stretch:About 50cm Features: 2 in 1 Multifunction deign: Ballpoint Pen +Teacher's Pointer The teaching pen is scalable, suitable for close teaching. Take off the pen cap, it can be used as a ballpoint pen, writing fluency. Pen-sized and lightweight that you can put it your pockets or handbag. Ideal presentation tool, widely used in the teacher teaching, and academic meetings occasions. Note: 1. It is well known that different computers display colors in different ways, and the actual project colors may differ slightly from the following images. 2. Please ignore the size. Size may sometimes be smaller than the size we describe, and China's size is usually smaller than the size of Europeans and Americans. Therefore, please allow 1-3CM to be different. Package Included: 1 x Multi-functional Pointer Pen