This pointer electrostatic detector is an essential piece of physics teaching experimental equipment, offering a clear and engaging way to demonstrate electromagnetic principles. Its high sensitivity allows for the detection of static electricity and weak currents, meeting the needs of professional research. The compact and portable design makes it suitable for classroom demonstrations, laboratory research, and activities. Constructed from materials, it ensures long-term stable performance, minimizing replacement frequency. Simple to use, it is ideal for learners of all ages, making physics experiments more accessible and interesting. Features -Color:Assorted Color -Material:Plastic,iron -Size:34.00X19.50X7.00cm/13.36X7.66X2.75in -Accurate static charge detection: this static electricity tool provides precise measurements, making it essential for static charge detectors and electrostatic science projects -Sturdy design: built for durability, this physics teaching instrument ensures consistent performance in science lab static detectors and laboratory instruments -Portable and multifunctional: lightweight and compact, this physics experiment equipment is suitable for classroom demonstrations, laboratory research, and exploration -Effortless usage: with its userfriendly design, this static electric teaching kit is ready to use, catering to learners of all ages in physics education tools and teaching instruments -Boost student engagement: demonstrate static electricity concepts effectively with this physics demonstration tool, enhancing student interest and understanding in physical science education Package list: 1 x Needle Electric Tester