Specifications: 1) Humidity accuracy: 4.5% RH2) Temperature accuracy: 0.5C 3) Operating temperature range: -40 to 120C 4) Response time: 4s5) Annual excursion: less than 0.5%RH6) Output signal: digital, 2-wire7) Relative humidity and temperature measurement, dew point calculation possible8) Full range calibrated, sensor interchangeable9) Superb long term stability and accuracy10) Two wire interface, can be connected to microprocessor directly11) Fast respond, can be activated on request, super low power consumption producing area:China payment:T/T, L/C supplying capacity:800,000pcs/month