Made of high quality PVC, solid and durable. Automatic pump can be used to inflate or deflate, high speed, high-pressure. Automatically stop when the setting pressure is reached, convenient to use. With limit maximum pressure and minimum pressure, it can prevent over-inflating, safe assured. Suitable for inflating canoe boats, kayaks, kites, etc. Type: GP80(cm)/31.49in. Power cord length: /9.84feet. Length of inflatable tube: 1.5m/4.92feet. 1 Yellow inflatable pump. 1 Black inflatable tube. 1 8 in 1 short pipe. 1 Adapter with white gasket. If inflating the dinghy, please adjust the pressure value on scale to 25(or the corresponding pressure value). Adjust the pressure to 60 if you inflate the air mat. Improper pressure setting can cause fatal injury to rubber dinghy. The automatic air charging pump can be. Used to inflate or deflate. And the interface with a is a deflation interface. Please pay attention to the positive and negative poles when wiring, the red is the positive pole. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.