Allows for precise humidity control. A programmable digital LED lets you set a specific desired humidity level. 16 hour on/off timer allows the user to have the humidifier turn on or off after a specific time

Allows humidity level to be set based on comfort level. Exact humidity percent is not known.

A humidistat is like a humidity thermostat and measures the amount of moisture in the air. On some models, simply set the humidistat to the humidity level you wish to maintain, and the humidifier will then run as needed to maintain the pre-set humidity level.