The Switch is Closer to the Device: the extension cord with waterproof switch 6Ft，3 prong extension cord with one key control switch, Switch close to power supply equipment for easy switching. UL Certified Outdoor Extension Cord: UL listed with a maximum electrical rating of 15A/125VAC/1875W/14 AWG, SJTW, safe and stable. No Plugging and Unplugging: For vintage stereo devices without built-in power switch, home stereo for a mini tube pre-amplifier, power conditioner for your stereo's AVR, CD player, air compressor, and more. Easy to Use: Plug and play design outdoor extension cord with switch is easy to operate by putting the plug into the socket, and you can plug in the appliance you want on the other male to female end, and control it through switch. Without the complicated installation of inline switch, add switch to the device. Product Concept; According to communication with customers, when using vintage stereo devices without built-in power switch and other products, it is necessary to change the product design. Based on communication with customers, we have adjusted the product solution to avoid additional Plugging and Unplugging and power consumption. Product Concept According to communication with customers, when using vintage stereo devices without built-in power switch and other products, it is necessary to change the product design. Based on communication with customers, we have adjusted the product solution to avoid additional Plugging and Unplugging and power consumption