Monitor your indoor climate at any time with this smart wireless thermometer and hygrometer. It is suitable for homes, offices, greenhouses, wine cellars, or nurseries – places where temperature stability is crucial – ensuring comfort and health. Connect via WiFi and support smart lifestyle apps, allowing you to monitor the temperature anytime, anywhere in real-time. The system automatically sends a notification to your phone when the temperature or humidity exceeds the set value. – Monitor climate data in real-time via smart lifestyle apps. Smart notification function – Get notifications when the temperature or humidity exceeds the set value. Supports Alexa voice control – for example, ask \"Alexa, what's the temperature in here?\" High accuracy – temperature deviation ±1°C, humidity deviation ±5% RH (relative humidity). Adaptation time: approximately 30 minutes. Compatibility: 2.4 GHz WiFi (5G not supported). App support: Alexa. You receive a notification directly in the app when the temperature or humidity exceeds your set range. WiFi connection and app control – monitor and analyze climate data in real-time via the smart app. [High/Low Temperature Alarm]: The phone alarms if the temperature exceeds the set value. [High/Low Humidity Alarm]: The phone alarms if the humidity exceeds the set value. [Real-time monitoring]: Uses 2 AAA 1.5 V batteries. Battery-powered (batteries not included), low power consumption, approximately one year of use under standard settings. Data update frequency: 1–120 times/minute, free, can watch movies. Lower settings shorten the actual battery life. Product parameters: Dimensions: 70*20*25 mm; Material: ABS; Power supply: 2 AAA 1.5 V (size 7 batteries) (batteries not included); Wi-Fi support: 2.4 G IEEE 802.11 b/g/n; Temperature measurement range: -10 ℃~55 ℃; Temperature accuracy: ±0.3 ℃; Humidity measurement range: 10 %~99 % RH; Humidity accuracy: ±3 % RH. Note: Bluetooth is only for mobile networks. Bluetooth connection is not supported.