.【PLUG AND PLAY】: Simply Plug the 3-prong power cord into a grounded 110V~250V power socket, and then plug the machine or tool into the 3-prong socket on the back of the plug. This switch features a 6-ft cable with a piggyback plug for easy setup and operation. 【WIDELY APPLICATION】: Can be applied to woodworking tools, power tools, wood carving machines, sewing machines, textile tools, routers, sanders, drill presses, scroll saws, meat grinders, musical instruments, dental equipment, and lighting and other household appliances. 12 months warranty, 24/7 free technical support service, 100% customer satisfaction service.