Inflatable can be used for: inflatable beds, inflatable pools, inflatable boats, inflatable sofas, inflatable bathtubs, waterbeds, inflatable toys, swimming rings, and other inflatable accessories. NOTE: Balloons cannot be inflated. Air outlet can be used for air outlet products such as vacuum compression bags. How to use: Inflation method: 1. Connect the pump to the power supply. 2. Connect the inflation accessory to the inflation port and turn on the switch to start inflation (- means open to start inflation, o means closed to stop inflation). 3. Be careful not to block the inflation valve, otherwise, the pump may be damaged by overheating. 4. Be careful not to use the suction port to inflate; see the position of the suction port and inflation port in our baby display. Pumping method: 1. Open the air outlet on the item you want to deflate. 2. Connect accessories of the appropriate size to the vacuum pump's suction port (if the suction port size on the pump is just right, the three accessories are not needed). Connect the interface and then turn on the switch to start pumping (\"-\" means open to start pumping, \"o\" means closed to stop pumping). 3. Be careful not to block the pumping valve, otherwise, the pump may be damaged due to overheating.