USB Type Portable Carbon Dioxide measuring device. Automatically measure the concentration of carbon dioxide in the air when plugg Show More...
Specifications are as shown in the photo.Please contact us for further details, including purchase price.*This product is used. Show More...
A flow meter is a device used to measure the volume or mass of a gas or liquid. Flow meters are referred to by many names, such as Show More...
Intelligent nano water meter (measured moisture value)Product selling point:1, fine mist particles, deep into the muscles, hydrati Show More...