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 alarms: Receive phone notifications when preset temperature thresholds are exceeded - Voice control support: Compatible with third-party smart speakers; inquire about indoor temperature and humidity via voice commands using Alexa-enabled devices - Temperature unit switch: Switch between Celsius and Fahrenheit in settings; press the reset button once to change the unit - Smart integration: Connects via WiFi to link with other smart home devices for improved heating, cooling, and overall comfort - Multiple mounting options: Can be placed on a flat surface or wall-mounted; cable-free design for convenience and clean appearance Package Includes: 1 x Device (3 sensors not included)