Note: 1. By default, the product will be shipped according to the product selected by the buyer (if the purchase is wrong, please return it at your own expense.);(WiFi version)tuya wifi temperature and humidity sensor features1. The temperature and humidity sensor can be linked with other smart home devices to improve indoor heating and cooling and make your home more comfortable; 2. Low edge design to ensure long-term battery life; Built-in high-precision device can quickly and accurately find temperature and humidity changes; Place/Anytime; 5.Can be used with Alexa and Google Home(WiFi Version) Tuya WiFi Temperature and Humidity Sensor Specifications: Product Name: WiFi Temperature and Humidity Sensor Battery Type: 2*AA (not include) Standby Current: 30uLow Voltage and Undervoltage:2 .7vWireless Protocol: 2.4GHzWorking Temperature: -10~+50Working Humidity: 10%-90%RhApp: Smart Life app / Tuya AppWorks com: alexa and google home(wifi version)package included:1*wifi temperature and humidity sensor1*instructionsnotes:1.the wifi version temperature and humidity sensor does not require hubthe 2.zigbee version temperature and humidity sensor need to be used with tuay zigbee gateway.