Inflatable can be suitable for use in: inflatable beds, inflatable pools, inflatable boats, inflatable sofas, inflatable bathtubs, water beds, inflatable toys, swimming rings and other inflatable supplies. NOTE: Balloons cannot be inflated. Air extraction can be suitable for use in air extraction supplies 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 close 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, please see the position of the suction port and the inflation port in our baby display. Pumping method: 1. Open the air outlet of the thing you want to air 2. Connect the appropriate size accessories to the suction port of the vacuum pump (if the size of the suction port on the pump is just right, the three accessories are not required). Connect the interface, and then turn on the switch to start pumping ("-" means open to start pumping, "o" means close to stop pumping). 3. Be careful not to block the pumping valve, otherwise the pump may be damaged due to overheating.