SHT3x can improve reliability and accuracy indicators. SHT3x provides a series of new features, such as enhanced signal processing, two unique and user-selectable I2C addresses, an alarm mode with programmable humidity and temperature limits, and a communication speed of up to 1MHz. Product model: IOT-TH02 SHT30 Working voltage: 2.15-5.5V Output signal: IIC digital signal Humidity measurement range: 0-100percent RH Temperature measurement range: -40-125 Celsius (Because the shell and wire are not to high temperatures, please use it in an environment of -40-80 Celsius) Accuracy: +/- 2percent RH +/- 0.2 Celsius Colour: white Material: plastic Package Contents: 1 * Temperature and Humidity Sensor Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.