1、Made of high quality PVC, solid and durable. 2、Automatic pump can be used to inflate or deflate, high speed, high-pressure. 3、Automatically stop when the setting pressure is reached, convenient to use. 4、With limit maximum pressure and minimum pressure,it can prevent over-inflating, safe assured. 5、Suitable for inflating canoe boats, kayaks, kites, etc. Features: 1.Made of high quality PVC, solid and durable. 2.Automatic pump can be used to inflate or deflate, high speed, high-pressure. 3.Automatically stop when the setting pressure is reached, convenient to use. 4.With limit maximum pressure and minimum pressure, it can prevent over-inflating, safe assured. 5.Suitable for inflating canoe boats, kayaks, kites, etc. Specifications: Material: PVC Type: GP80(cm)/31.49in Color: Yellow Inflation speed: 500L/min Maximum pressure: 80KPa Minimum pressure: 10KPa Working time: >1H Power cord length: 3m/9.84feet Length of inflatable tube: 1.5m/4.92feet Package List: 1* Yellow inflatable pump 1* Black inflatable tube 4* Inflatable interface 1* Rubber gasket 1* 8 in 1 short pipe 1* Adapter with white gasket 1* Instruction Note: 1.If inflating the dinghy, please adjust the pressure value on scale to 25(or the corresponding pressure value). 2.Adjust the pressure to 60 if you inflate the air mat. 3.Improper pressure setting can cause fatal injury to rubber dinghy. 4.The automatic air charging pump can be used to inflate or deflate, and the interface with a gap is a deflation interface. Please pay attention to the positive and negative poles when wiring, the red is the positive pole.