Remote Control: Connect the IHC-200 Wi-Fi humidity controller to 2.4GHz Wi-Fi, then you can monitor or adjust the humidity on your phone through the app at any time anywhere. Dual Relay Output: Support both humidifying equipment and dehumidifying equipment. Voltage: 100-230Vac 50/60Hz, 10A. Maximum Power: 1200W(120Vac), 2200W(220Vac). Humidity measurement range: 10 ~ 99% RH. Relative humidity accuracy: Â± 3% RH ~ Â± 5% RH. Plug-n-Play: No complicated installation required. Display the set humidity value and the measured humidity value at the same time with 2 screens. Support humidity calibration and dehumidification control delay protection. High/Low Humidity Alarm: Set a High/Low Humidity Alarm, the controller will alarm to remind you if the humidity value exceeds the setting value, and it also alarm when a probe error occurs. Press any button to turn off the alarm sound or you can turn it off on your phone. Please feel free to contact us at anytime you want to, we will reply in 24 hours!