The MYCOntroller Humidity Controller's built-in, high-accuracy humidistat probe senses changes in moisture levels to automatically turn your humidifier on and off. With a relative humidity control of 5% to 99%, it allows you to maintain desired humidity for better environmental control (even with the most humidity-sensitive species!) 

Features:

• User-friendly interface
• Large LED digital display
• Keyhole cutout on back for easy hanging