Service: We value our customer's shopping experience. If you have any questions, please feel free to contact us; we will respond as soon as possible within 24 hours. Powered by a copper-core motor and utilizing advanced power technology, it provides strong and stable suction. It features an ingenious dual-mode design. With a simple tap, you can easily switch between filling and suction The down filling machine is equipped with a user-friendly foot switch. Once connected, you can easily control the machine's intermittent Simply press the switch to start the machine, and release it to instantly stop the filling and suction process. This down filling machine is equipped with a 6-speed control switch, providing you with a variety of performance options. You can easily adjust the speed to meet your specific needs.