Specifications: Smart connection: When the ambient environment changes, you can make a smart connection. For example, the air conditioner will be turned on and automatically reach the specified temperature when the room temperature exceeds 28℃. And the humidifier will spray when the humidity is less than 20% RH. Share devices: You can share the added devices with your family members so they can also monitor their surroundings. Temperature unit selection in APP: You can choose ℃ or ℉ as temperature unit through APP. Third-party voice control: Works with Amazon Alexa, Google Assistant. Low battery alarm: battery level can be monitored. Temperature and humidity changes: Temperature and humidity change curve, historical data. Wall mounted, easy to install Description: Material: ABS Size: 70*24*19mm Product weight: 30 g Battery: LR03-1.5V/AAA*2 Wi-Fi frequency: 2.4 GHz IEEE 802.11 b/g/n Temperature measurement range: -20°C ~ 60°C Humidity measurement range: 0%RH ~ 100%RH Accuracy of temperature measurement: ±1°C Humidity measurement accuracy: ±5%RH
