Description: Equipped with a high sensitivity and high-precision capacitive tip, our stylus pen is compatible with various kinds of capacitive touch screen devices, such as phone, tablet, electric whiteboard, etc. It brings you more convenience to teach or train. Different from other similar products on the market, this whiteboard teaching pointer is designed with metal hidden telescopic pole and lasers so that it works well on traditional and electric whiteboard. It can effectively point out key information when teaching. It is constructed of metal material. The total length of this product is 45cm. This product is perfectly suitable for home, household, office, school, etc. Item Name: Stylus Pen Material: Metal Battery: 3 x Button Batteries(Battery Included) Features: Lightweight, Practical, Lasers, Long Lasting Size Details: Length: 45cm/17.72" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Stylus Pen