New product that works with any misting system. This controller works by constantly monitoring humidity on the probe. Based on current reading and required humidity HT-24 will activate the misting system as needed. Excellent choice when desired humidity needs to be achieved. It can be connected to a 110V or 220V system with no problems. Main features of MistKing Hygrostat Controller HT-24: Backlit LCD Control Panel Remote Humidity / Temperature Probe. Ability to precisely set Day & Night humidity Ability to specify when Day & Night modes start Manual override allows for misting without affecting timer setup. This timer has a rechargeable battery that keeps settings in case of a power failure. Low humidity alarm Variance setting which allows for specific humidity drop before engaging the pump Low voltage connects to existing MistKing power supply. Designed specifically for use with MistKing misting systems. Example: Day: Maintain 75% humidity Night: Maintain 60% humidity Low Humidity Alarm: 40% (Will beep if RH will drop to 40%) Variance 5% (ie. will raise humidity to 75% but will allow for a drop to 70% before turning on the system again) Great addition to a small greenhouse or anything where precise humidity control is required.