... humidity sensor available 3.1-4 alarms,analog output HA series Digital Thermometer & Hygrometer Features: 1,Input:dual line displaying ... manufacture thousands of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter ... 086-13217608016(Barbara Guo) 086-13435730867(Peter Liao) HA series Digital Indoor Thermometer & Hygrometer