- Size: 8.5 x 10 cm (3.3 x 3.9 in) – compact and portable, perfect for a variety of settings. - 100 percent Brand new and high quality – designed for durability and reliability for everyday use. - Simple operation with one start or stop button and one reset button – user-friendly for all ages, making it ideal for classrooms and experiments. - Versatile teaching aid and experimental instrument – enhances learning experiences in educational environments. Key Benefits: - Streamlines the learning process by providing an effective hands-on tool for demonstrations and experiments. - Ideal for teachers, students, and science enthusiasts, allowing for easy tracking of measurements and results. Use Scenarios: - Use in science classrooms to demonstrate concepts like time measurement and motion. - Perfect for conducting experiments at home or in labs, providing accurate results and easy reset functionality. - Excellent for organizing and timing group activities, ensuring smooth operation and engagement. This product combines essential features with practical applications, making it a valuable addition to any educational toolkit.