Digital Pressure Switch, ISE30A/ZSE30AF-01-N-L/P/AML Vacuum Negative Pressure Sensor ,Adjustable

New quality: The digital pressure switch is made of high-quality materials, which is and has a long service life. Portable & convenient: The digital pressure sensor is small in size and light in weight, easy to carry and store. Negative pressure sensor: the negative pressure sensor is designed to provide a firm and stable operation for your vacuum cleaner. Digital pressure switch: the digital pressure switch has a built-in trigr function, which is easy to operate and can be operated with one hand. Adjustability: it can be adjusted according to the size of the human body, which is very suitable for people who are prone to pressure.