intelligent humidity controller for the household or industry humidifier & dehumidifier the product is used for control humidity of the humidifier or dehumidifier, with the characteristics of small size, high accuracy, stable, reliable performance, convenient and best price. and also can memory records. operating voltage ,load current can be decided on all kinds demand plug your humidifier or dehumidifier on humidity controller then can work application: orchid, mushroom, greenhouse indoor farm; bird swallow pet; family ,hotel, office, library, laboratory and so on. technique parameter： 1：operating voltage：ac220v/50hz ±10%，ac110v/60hz ±10%，dc12v ±10% are choice（be narrated when order） 2：consume power ;<3va 3：load current：2a personal type，5a（max 10a resistance load）industry type 4：relay contact dot’s max current：10a/220vac（resistance load） 5：enactment range:30%rh---90%rh 6：precision：±5% 7：operating range： 0～50℃ 8：operating range： <95%rh（non dew） 9：storage range： 0～70℃ 10: storage range： <95%rh（non dew） 11：dimension: 165*72*60mm detail pls read the web www.humidjr.com jr@nbjrdz.com