... TNT, By air cargo, by seaScope of application: Computer and network communication equipment room, communications base stations, outdoor cabinets, cold storage, ... ~30°C Humidity30 ~90 RH% Storage 30 ~90 RH% Device interfacesDI1 CHTo detect Firefighting, Burglar, leakage etc.RS4851 CHRS485 interface ... First, check whether the AC detector inserts into the device or not, please also check the AC jump line ...