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 and low temperature alarm: When the set temperature threshold is exceeded, a notification is sent to your phone - Voice control: Compatible with third-party smart speakers; supports checking indoor temperature and humidity via voice commands using Alexa - Temperature unit switch: Switch between Celsius and Fahrenheit in settings; press the reset button once to change the unit - Intelligent automation: The Wi-Fi temperature and humidity sensor can be integrated with other smart home devices to optimize heating and cooling for improved comfort - Multiple mounting options: Can be placed on a flat surface or mounted on a wall; cable-free design for convenience and clean appearance Package Included: 1 x Device (3 sensors)