Features: brand new and high quality for SMART PRESENTATION PEN. High-graded metal material ensures great durability. Built-in 3 pieces cell batteries, super long working for time. Total length 6.7'', stretching length 18.5''. Lightweight and portable, proper size for your teacher for totes, briefcase, pen pockets, pen bag, etc. Sturdy pen clip makes it convenient for you to clip on the binder planner, office notepad, desk journal, textbooks, etc. MULTI-IN-ONE DESIGN. The retractable presentation clicker is finely designed for multi-purpsoe use. With 3P red lasing lights. Works great as a portable teacher pointer stick, presentation remote control, PowerPoint clicker, wireless PPT presenter, electronic whiteboard pen, Keynotes presenter, for smart digital pen, stylus pen, teaching telescopic pen, etc. UNIVERSAL STYLUS PEN. The teacher pointer pen with a roud stylus for head, high sensitivity, great working performance, compitable with most for smart phones screens, a majority of tablets, pads, laptops, electronic whiteboard, for smart blackboards, etc. VEVRSATILITY, PRACTICALITY. Also can be used for ppt drafting, products designing. Available for word, excel, powerpoint, keynote, numbers, pages, WPS, . Wide scope of applications: business conferences, office meeting, college lectures, classroom teaching, reader exchanges, academic forums, and more. for IDEAL GIFT. Multi-in-one design, flexible and reusbale. A brilliant teaching tools for teachers, professor, students, etc. Nice gift for school teachers, business women/men, sales people, secretary, designers, etc. Specifications: Color: Black Material: Metal Battery: 3Pcs x Cell Batteries (Included) Pen Length: Approx. 16cm/6.29in Stretching Length: Approx. 47cm/18.5in Max Lasing Radiation: 5mW Weight: Approx. 32g Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Piece 3-in-1 Presentation Pointer Pen