The chair switch controller is made of ABS, it is durable, wear-resistant and practical High current direct drive type: with micro switch, it can be used without control box Mainly used in electric sofas, controlling various functions of electric sofas This control works with motors commonly used in recliners and home theater seats. With two buttons, the operation of the electric sofa is simpler and more convenient, saving time and effort. Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.