Relative Humidity Accuracy: ± 1.8%RH Temperature Accuracy: ± 0.2°C. Power Supply Voltage: 1.08V ~ 3.6V. Average Current: 0.4 ΜA (Measuring Rate 1Hz) No-Load Current: 80na.I(2)C Fast Mode + Operating Range: 0% to 100% Relative Humidity,-40°C to +125°C Functional Variable Power Heater NIST Traceability Grade Qualification in Condensing Environment