... 440 W inductive load (e.g. devices with coils, such as transformers, ballasts, etc.)4)Precision:+5 minutes ,RH: 0-95 ... off ,for example: TV,lighting, heating system ,cooling system, as well as sprinkler systems for terrariums, humidifiers,flow pumps for aquariums,ventilators ... Units/20' FCL :17,328PCS Units/40' FCL :35,520PCS 24 hours mechanical Timer