• MULTIFUNCTION: The humidity controller has a series of practical functions, including dehumidification and humidification mode, manual and automatic mode, high or low humidity alarms etc. Turn on/off your equipment automatically to reach the ideal humidity level. Humanized intelligent operation design!
• HIGHLY ACCURATE DETECTION: The use of high-end and superior chip make sure the service life of sensor is guaranteed. Accuracy can be ±3%RH, to precisely provide the humidity environment you require. Support humidity calibration function.
• EASY TO SEE: Large LCD screen with simple but grand appearance design looks very clean and bright, more intuitively displaying all necessary parameters. Simple 3-button for easy operation.
• CONVENIENT DESIGN: Highly innovative piggyback plug erasing your worry of the messy cords, allowing users to simply plug the dehumidification or humidification equipment into the socket that is on the back of the power plug. Easy to use, plug-n-play.
• PROTECTION FEATURE: To prevent cycling and being overloaded in a short time which could damage the device, it is configured with automatic minimum run-time setting, delay protection for control output. And also with data memory function when suddenly power off.

Details and additional pictures.

https://www.amazon.com/briidea-Humidity-Controller-Humidistat-Greenhouse/dp/B08YTXFN1R