With digital humidistat you can regulate the humidity in your farm very easily. You plug the humidistat into the wall and then your humidifier into the humidistat that senses and regulates/retains the humidity you set that you want for your plants. In order for your plants to grow optimally, it is important to have the right temperature and humidity in your cultivation.
You simply set on the LCD display how much humidity you want in your grow space and turn it on, very easy to use. The battery is rechargeable and charges itself.
This digital hygrostat has a humidity control range of 30% to 90%.