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. High temperature 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-enabled devices. Temperature unit switch: Switch between Celsius and Fahrenheit in settings, then press the reset button once to apply the change. 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 installation options: Can be placed on a flat surface or mounted on a wall. Cable-free design for a clean and convenient setup. Package includes: 1 x Sensor