Temperature measurement range: -10°C to 60°C Humidity measurement accuracy: ±5% RH Temperature measurement accuracy: ±0.5°C Humidity measurement range: 0% RH to 99% RH Features: High temperature and low temperature alarm: When the set temperature threshold is exceeded, an alert will be sent to your smartphone. Voice control: Compatible with third-party smart speakers. Supports checking indoor temperature and humidity via voice commands using Alexa-enabled devices. Temperature unit switch: Switch between Celsius and Fahrenheit in settings, then press the reset button once to change the unit. Intelligent linkage: The Wi-Fi temperature and humidity sensor can be integrated with other smart home devices to optimize heating and cooling for improved comfort. Multiple installation options: Can be placed on a flat surface or mounted on a wall. Cable-free design for easy and clean installation. Package Included: 1 x Temperature and Humidity Sensor