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A multimeter is used for measuring voltage, current, and electrical resistance. Multimeters combine the functions of a voltmeter, ammeter, and ohmmeter into one component. They can be used to diagnose electrical problems or to measure the properties of batteries, switches, power sources, motors, and other electrical components. This multimeter features a large 3½” digital display, low battery warning, +/- 0.5% accuracy, a buzzer, is designed for use either at home or in the classroom and comes with a user manual. Science educational products and manipulatives incorporate applied math and science principles into classroom or homeschool projects. Teachers in pre-K, elementary, and secondary classrooms use science education kits, manipualtives, and products alongside science, technology, engineering, and math (STEM) curriculum to demonstrate STEM concepts and real-world applications through hands-on activities. Science education projects include a broad range of activities, such as practical experiments in engineering, aeronautics, robotics, chemistry, physics, biology, and geology.