Please rest assured to buy, we will send you the corresponding version according to the usage standards of the country you purchased. Specification: -- Product Name: Soil moisture sensor -- Wireless Protocol: Zigbee 3.0 -- Soil Moisture Range: 0%~100% -- Temperature Resolution: 1% -- Temperature Measurement Accuracy: 0.5C -- Battery Type: LRO3 AAA not included -- Standby Time: 12 Months -- Working Temperature: -10~ 55C -- APP: Tuya/Smart Life -- Vocie Control: Alexa/Google Home -- Product Size:150*30*18mm Feature: 1.[APP Remote Control] Compatible with Tuya and Smart Life apps, this sensor allows you to remotely monitor soil temperature, humidity, and ambient conditions from anywhere. 2.[Voice Control] Integrate with Alexa or Google Home to voice-check soil parameters instantly, ensuring real-time environmental awareness without manual intervention. 3.[Fahrenheit/Celsius Switch] Toggle between Fahrenheit and Celsius units effortlessly to match your preferred measurement system. 4.[Water Shortage Warning] Set customizable thresholds to trigger alerts when soil moisture drops critically low, preventing plant dehydration. 5.[Real-Time Monitor] Track live soil and air temperature changes via the app, enabling proactive adjustments to optimize growth conditions. 6.[Low Battery Alarm] Receive automatic notifications when battery levels are low, ensuring uninterrupted monitoring and data reliability. Packing List: 1 * Soil Tester(Without Battery) 1 * Manual ",