The pointer electrostatic detector is a must-have for physics experiment tools, providing a clear demonstration of electromagnetic principles. Its high sensitivity allows for the detection of static electricity and weak currents, catering to professional scientific research needs. The compact and portable design makes it suitable for classroom demonstrations, lab research, and activities. Constructed from materials, it ensures long-term stable performance, minimizing replacement frequency. Easy to use, it is ideal for learners of all ages, making physics experiments more engaging and comprehensible. Features -Color:Assorted Color -Material:Plastic,iron -Size:34.00X19.50X7.00cm/13.36X7.66X2.75in -Precision in measurement: this electrostatic detector offers high accuracy for frictional electricity experiments, making it a valuable addition to physics lab instruments and teaching aids -Sturdy build: built to withstand frequent use, this static electricity tool is ideal for science experimental material and laboratory equipment, ensuring consistent performance -Adaptable for various settings: suitable for physics classroom teaching aids, laboratory instruments, and exploration, this physics experiment kit meets diverse educational needs -Effortless setup and use: with its straightforward design, this electricity science kit is ready to use, providing a seamless experience for physics demonstration tools and teaching instruments -Engage students effectively: use this electrostatic science project tool to visually explain static charge principles, enhancing student interest and comprehension in physical science education Package list: 1 x Needle Electric Tester