Wide applications: This Demonstration Electromagnetic Relay is suitable for science, physics or mechanical learning and classroom demonstrations. It helps students and educators explain electromagnetic concepts in a simple, engaging way. Reliable performance: Professionally manufactured for stability, this electromagnetic relay delivers consistent results during experiments. Its engineering supports accurate results every time, making it a trusted choice for educational and demonstration purposes. Durable construction: Made from plastic and metal materials, this instrument is rust resistant and built to last. Its compact and lightweight design makes it easy to handle and store, benefiting both teachers and students. Flexible compatibility and usage: Compatible with a 9V supply, this relay can be paired with other controlled instruments such as indicator lights or demonstration motors for comprehensive circuit demonstrations. Its flexibility supports a wide range of experimental setups. Use scenarios: Classroom demonstration of relay operation and switching to visualize magnetic actuation. Physics lab experiments to illustrate current flow and circuit behavior with indicator lights. Student projects that integrate motors or indicators for practical, handson learning of circuits.