【Large Capacity】: The 33.8oz PC storage bottle avoids the hassle of frequent replacement and cleaning, and the good material supports high-temperature disinfection, making it safer and more convenient. 
【Adjustable Pressure】: You only need to turn on the switch and use the knob to adjust the pressure from 0.02MPa to 0.07MPa. The large pressure gauge allows you to clearly see the negative pressure value and freely set the pressure according to your comfortable intensity. 
【Low Noise】: Our machines work quietly and stably, with a sound level of less than 70dB during operation. 
【Lightweight and Portable】: The lightweight(8.15lbs) Vacuum machine, combined with its small size(11.81*6.3*10.63in). You can directly grab the handle and take it to the place you need it. 
【Note】: If there is no pressure or the machine is working, please contact our customer service in time. Also this machine should not be used for more than 30 minutes at a time.