Function: 1. It has strong suction and fast pumping with a powerful pumping capacity of 15L per minute and a vacuum value of -50KPA. 2. By adopting a quiet motor, the noise of the vacuum machine is only 50 decibels and it can run quietly. 3. One-button starter design, automatically removes excess air from the vacuum storage bag or container, and automatically stops when the vacuum environment is reached. 4. Due to its compact design and small size, the inflation pump can be taken with you when traveling. 5. The 3.5 cm suction port is compatible with most vacuum products on the market. Specification: Item Type: Vacuum Pump Material: ABS Blue color Weight: Approx. 822g / 29oz Adapter voltage: 100 240V Host input voltage: 12V Pumping speed: 15L / Min Inflation speed: 15L / Min Vacuum degree: -50KPA Air pressure value: 100KPA Product Size: Approx. 19x7x6cm / 7.5x2.8x2.4 inches How to use: Plug in the power adapter, press the power button to turn it on, and press it again to turn it off. Packet list: 1 x vacuum pump 1 x power adapter 2 x ball needle inflation transfer interface 2 x Swim Ring Inflation Transfer Interface 1 x balloon inflation interface; 1 x Extender Hose Transfer Interface 1 x Manual