Features: Wide Potential Extent: The Si7021 transducer operates on a DIRECT CURRENT potential extent of 1.9V to 3.6V, ensuring agreement with various power resources and low power consumption. Comprehensive Temperature Measurement: Short skirt temperature extent of 40°C to 85°C, this transducer furnishes accurate readings in varied environmental conditions, ensuring reliability in extreme temperatures. Extensive Dampness Detectparticlemail: Capable of measuring dampness , the Si7021 transducer is highly sensitive and flexible. High Accuracy and Stability: Highlighting temperature accuracy , this transducer includes internal calibration for strengthened extended stability and reliability. Compact and Efficient Planumberebog: The tiny I2C connection transducer is thin at 3g and compact at 10.1x8.9mm. Specifications: Substancemail: PCB, Metal Product Sizemail: 10.1x8.9mm Product Weigheight: 3g Communication Connectparticlemail: I2C connection 2.54mm tone pad Working potentiall: 1.9~3.6V Temperature extent: 40℃~85℃ Temperature Accuracy: ±0.4℃ ( 10~85℃) Reserve Current: 60nA Temperature conversion timemail: 7ms Dampness conversion timemail: 17ms Package Includes: 1Set / 2Sets Temperature transducer（According to the option you purchased） note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.