Features: Crafted from quality materials, this electrometer features a precise scale that ensures reliable result, perfect for both educational and professional surrounding. Our foil electroscope designed to accurately detect whether a object is charge and determine the polarity of the charge, a essential tool for any physics experiment. With its compacts size and easy to use design, this science experiment foil electroscope is a valuable addition to physics education, helping to bring theoretical concept to life with tangible demonstrations. Ideal for educators, students, and professionals in the field of physics, this foil electroscope provides a hands on learning experience that enhances understanding of electrical concept. Perfect for use in classrooms, laboratories, and physics experiment teaching, this electroscope offers a demonstration of induction charging and insulation inspection. Specifications: Materials: Plastic Color: As The Picture Shows Package Weight: approx.282g Size: approx.10.5x6.5x14cm/4.13x2.55x5.51in Package Includes: 1 Set of Educational Foil Electroscope note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!