If you have an indoor crop, you need to keep control of the temperature and humidity of your plants. For this, you need a specific instrument, and the one that stands out for its price and accuracy is the digital thermohygrometer with probe by Cornwall Electronics.
Thanks to its probe, the temperature can be determined very precisely, mainly because of the possibility of placing it far from the focus, thanks to its 1.5-meter cable, avoiding the influence of its heat and distortion of the data. In terms of humidity, with this thermo-hygrometer, you can keep it at the levels that most interest you to grow indoors.
As a novelty, it registers in its internal memory the data that you are writing down so that you can go comparing and seeing them on your digital screen, so you can be calm and confirm that everything is working correctly.
Buy at the best price in PEV Grow the digital thermohygrometer with probe by Cornwall Electronics. Precision has its own name!.