Please rest assured to buy, we will send you the corresponding version according to the usage standards of the country you purchased. Tuya Zigbee Smart Soil Tester Temperature and Humidity Meter Waterproof Thermohygrometer Garden Automation Irrigation Detector Specification --Name: Soil Moisture Sensor --Soil Moisture Range: 0%~100% --Temperature Resolution: 0.1C --Humidity Resolution: 1% --Temperature Measurement Accuracy: 0.5C --Humidity Measurement Accuracy:5% --Battery Type:AAA Battery*2Pcs(Not Included) --Communication Protocol: Zigbee 3.0 --Wireless Protocol: Zigbee IEEE 802.15.4 --Standby Current:20uA --Standby Time:12 Months --Working Temperature: -10-55C --Working Humidity:Max 99%RH --Zigbee Gateway:Need --Work APP:Tuya/Smart Life --Voice Control: Alexa/Google Home Feature 1.[APP Remote Control] Can control the device at anywhere and any time. 2.[Work with Google home/Alexa] The device can work with google home,Alexa. 3.[Check temperature and humidity at any timeanywhere from APP] Real-time signal transmission, you can check temperature and humidity data on Smart Life APP whenever and wherever you want. 4.[Celsius to Fahrenheit] You can switch to degrees Celsius or Fahrenheit as needed. 5.[Water Shortage Warning] When the soil reaches a state of water shortage, the mobile app sends out a water shortage alert you that it's time to water. 6.[Detects humidity and temperature at the same time] Wireless soil temperature and humidity measuring instrument, which can measure soil humidity and temperature at the same time. 7.[ Scene linkage] It can be linked to automatic watering devices for automatic irrigation. 8.[Wide applications] It is suitable for a wide variety of soil types, and can be used in potted plants, vegetable greenhouses, farmland, vegetable fields, lawns and other places. 9.[Family Sharing Function] Create a smart home with your family. 10.[Group Function] You can turn off or turn on group devices together, which is more convenient. Packing List --Smart Soil Sensor *1 --User Manual *1 ",