Tuya Wifi Smart Temperature Humidity Sensor Indoor Outdoor Hygrometer Thermometer Detector via Alexa Google Home Smartlife Description: Input voltage: DC3V LR03*2 Quiescent current: Alert current: Low voltage: WIFI: 802.11b/g/n Temperature detect range: -10��C ~ 55��C Humidity detect range: 0-99% RH Installation: wall-mounted Working temperature: -10��C ~ 60��C Working humidity: MAX 90% RH Specifications: Intelligent Linkage When the ambient environment changes, you can perform intelligent linkage. For instance, the air conditioning will activate and adjust to the specified temperature automatically when the room temperature exceeds 28��C. Additionally, the humidifier will activate when the humidity drops below 20% RH. Share devices You can share your added devices with family members so they can also monitor the ambient environment. Temperature Unit Selection in APP You can choose ��C or ��F as the temperature unit through the app. Third-party Voice Control Compatible with various smart voice assistants. Low battery alarm The battery level can be monitored for convenience. Real-time detection of temperature and humidity changes. Temperature and humidity change curve, with real-time historical data available. Wall-mounted, easy to install. Alarm set Set reminders for maximum or minimum temperature; once this value is reached, notifications will be sent to your phone. Package Included: 1* Temperature and humidity Sensor 2* screws 1* Card pin 1* stickers 1* Instruction