This push button switch demonstration unit is mounted on a base measuring 3.75 inches (95.25 mm) x 2.75 inches (69.85 mm) x 1.38 inches (35 mm). The unit features two 4 mm terminals for banana plug connections and carries CE certification. It can be used inline with other components in the Eisco PH1029 series. Designed for physics and electronics education, this switch allows students to explore momentary contact switching behavior in simple electrical circuits.