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 compatibility: Works with Alexa-enabled devices to check indoor temperature and humidity via voice commands - Temperature unit switch: Switch between Celsius and Fahrenheit in settings; press the reset button once to change the unit - Smart home integration: Connects via Wi-Fi to link with other smart home devices for improved climate control and comfort - Multiple mounting options: Can be placed on a flat surface or wall-mounted using adhesive; cable-free design for convenience and clean appearance Package Includes: 1 x WiFi Temperature and Humidity Sensor (3 sensors not included)