This pointer electrostatic detector is an invaluable addition to any physics experiment equipment collection. It offers a straightforward way to demonstrate electromagnetic principles, enhancing students' understanding and interest in physics. With its high sensitivity, it can detect static electricity and weak currents, meeting the demands of professional research. Its compact and portable nature makes it ideal for classroom use, laboratory experiments, and outdoor scientific exploration. Built to last, it ensures consistent performance over time, reducing the need for frequent replacements. User-friendly, it is suitable for learners of all ages. Features -Color:Assorted Color -Material:Plastic,iron -Size:34.00X19.50X7.00cm/13.36X7.66X2.75in -Advanced detection capability: this static electric measurement tool excels in identifying static charges, making it indispensable for electrostatic experiments and science lab equipment - performance: constructed with materials, this physics teaching experimental equipment ensures reliability for extended use in physics lab teaching tools -Compact and convenient: designed for portability, this static electric teaching kit is ideal for classroom experiments, laboratory research, and activities -Simple and intuitive design: this electrostatic tester is easy to operate, making it a practical choice for physics education equipment and science teaching aids -Promote interactive learning: demonstrate complex electromagnetic concepts with this physics demonstration tool, fostering a hands-on learning environment for students Package list: 1 x Needle Electric Tester