1. [Wi-Fi + Bluetooth Dual Mode]: Connect to the network quickly. Wi-Fi and Bluetooth dual connectivity enables faster setup and stable connection. 2. [Temperature Alarm]: Receive a notification on your phone when the measured temperature exceeds the set threshold. 3. [Humidity Alarm]: Receive a notification on your phone when the measured humidity exceeds the set threshold. 4. [Real-Time Monitoring]: Powered by two AAA 1.5V batteries (not included). Low power consumption allows up to approximately 1 year of operation under default settings. Data update frequency is adjustable from 1 to 120 minutes; shorter intervals reduce battery life. 5. [Temperature & Humidity History Graph]: View recorded temperature and humidity data over time via intuitive charts in the companion app. 6. [Temperature Unit Switch]: Toggle between Celsius (°C) and Fahrenheit (°F) display in the app. 7. [Voice Assistant Compatibility]: Works with Amazon Alexa and Google Assistant for voice-based temperature and humidity readings. Power Supply: Two AAA 1.5V batteries (not included) Wi-Fi Support: 2.4 GHz IEEE 802.11 b/g/n Temperature Measurement Range: -10°C to 55°C Temperature Accuracy: ±0.3°C Humidity Measurement Range: 10% to 99% RH Humidity Accuracy: ±3% RH Color: Black Material: Plastic Package Contents: 1 x Wireless Temperature and Humidity Sensor