Reliable High Pressure Air Pump for Board Paddle Quick and Effortless Inflation. First connect the hose to the air pump, then select the plied air hose and then connect the inflatable product. Connect the 12V car to the 12V socket and power on. After powering on, press the pressure unit key BAR/PSI to select the air pressure value unit you need. After selecting the air pressure unit, press the boost button or the pressure button to set the air pressure value you need. After completing the above operations, press the switch key to start inflation. Warm reminder: Do not use it under high temperature exposure! Note: For customers using a mobile power ply, please ensure that the 12V remote base of the mobile power ply matches the stable working voltage and current of the air pump. Otherwise, various situations such as automatic shutdown and restart may occur! Product name: electric air pump. Product size: 1917.57.7CM. Power ply form: 12V. Working voltage and current: 12V 15A. Pressure preset range: 0.5-20PSI. Air flow: A250L/min, B70L/min. Power cord length: 2.6M wave tube. Scope of application: inflatable paddle boards, assault boats, canoes, inflatable boats, inflatable tents, inflatable pools, inflatable sofas, inflatable toys, inflatable swimming rings, etc. Electric air pump1 set. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Please allow slight manual measurement deviation for the data. Please kindly note that. Also, the each additional item means. The the same color and size. Transit time may be a little delayed because of the. If you have any questions.