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Electrical Energy Work Experiment Educational Equipment. Magnetic Suction Board: Adsorbs to magnetic blackboards for convenient classroom demonstration teaching. Digital Display Meters: Features LED digital displays for voltage (0-20V), current (0-2A), and timing. Precise Control Modules: Equipped with constant current and voltage modules for accurate experimental variables. Customizable Options: Offers customization for color, logo printing, and interactive experimental features. Educational Focus: Designed for middle school physics to explore factors related to current work. Simple Operation: Intuitive data observation with simple potentiometer adjustments for current/voltage.