Tuya Smart WIFI/Zigbee Temperature Humidity Sensor Hygrometer with Thermometer Digital Monitor Smart Home with 1M External Cable Product name: temperature and humidity sensor Wireless connection: Zigbee Low battery warning: yes Temperature measurement range: 0C ~ 60C Humidity measurement range: 0%-99%RH Battery specification: 2 AA batteries (replaceable) Product size: 61x23.2 Wire probe length: 1 meter Specifications: Wired probe Applicable environment for wired temperature and humidity: agricultural greenhouses, fermentation, reptile breeding, electric blankets, warehouses, drugstores, communication rooms, laboratories are mainly aimed at places with specific requirements for temperature and humidity, Case 1: The wire probe is placed outdoors, and the display screen is placed indoors. The measurement range is -40 to 90. Case 2: The wire probe and the display screen are both placed outdoors, and the maximum measurement range is -10 to 60. High sensitivity temperature and humidity monitoring Low electricity prompt ZigBee ultra-low power consumption, 2 AA batteries can last for about 1 year. APP can set low battery alarm. Intelligent linkageCan be linked with sound and light alarm, if the temperature is lower than 30. Sound and light alarm sounds. It can be linked with the thermostat. If the temperature is lower than 28, it will automatically increase the temperature to 30. Humidity is lower than 60%, the humidifier is automatically turned on. Alexa and GoogleSupport Alexa and Google to ask the temperature. Interconnects with Alexa and Google devices. Package Included: Temperature and humidity sensor x1 User manual x1 Wire probe1 meterx1