Sensitive Trigger Mechanism: This doouble pedal external foot switch features a highly sensitive mushroom-style trigger, ensuring quick and efficient activation without the need for an external power supplyCompact and Portable Design: External foot switch with its sleek and thin profile, this foot switch is designed to be easily portable, making it convenient for use in various settings while maintaining stability during operationConstruction: Crafted from metal, this foot switch offers durability and long-lasting performance, suitable for demanding environmentsIdeal Dimensions: Measuring 95x40x35.5mm, this foot switch is perfectly sized to provide comfort and ease of use without taking up unnecessary spaceAnti Slip Design: The pedal adopts non slip design, which is convenient, stable and reliable in working Specification: Material: PP Size Chart: 9.5cmx4cmx3.55cm/3.74inchx1.57inchx1.40inch Package Includes: 1 Momentary Foot Switch Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.