[Accurate Temperature and Humidity Test]: The use of Zigbee 3.0 technology enables highly accurate sensing of soil temperature and humidity, and accurately determines what plants need for growup, thereby preserving the growing environment. [Remote and Convenient Management]: The Tuya app enables you to remotely detect temperature and humidity data in real time, keeping you updated on the status of your plants. Additionally, the app features a history recording function that supports displays of humidity and temperature records in both Celsius and Fahrenheit, categorized on a yearly, monthly, and daily basis. [Intelligent Linkage Control]: Equipped with an intelligent scene linkage function, it can automatically pair with the intelligent water sprayer and adjust the watering amount according to the soil moisture condition, creating an automated maintenance system. [Device Sharing]: This easy-to-install device supports sharing with family members, and the scene can be customized to meet individual needs, allowing you to build a smarter home and share the joy of a green l ifestyle. [Long-lasting Endurance & Waterproof Design]: Powered by 3 AA batteries(not included), it provides a stable and reliable powersupply for a longer service lifespan. A low battery reminder ensures continuous operation. Thanks to its IP66 waterproof design, it is suitable for various environments and can withstand . Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Note:This product needs to be used with zigbee gateways(not included). Name:Soil Sensor Battery:3xAA battery (not included) Communication protocol:Zigbee 3.0 Wireless protocol:Zigbee IEEE802.15.4 Wireless distance:50M Waterproof level:IP66 Temperature detection ranges:-10 to 60 (14to 140) Humidity detection ranges:0-100 %RH (Non-Condensing) Detection accuracy:Temperature:0.5(Adjustable) Humidity:5%RH(adjustable) Timespan of detection:10min(adjustable) Working temperature:-10 to 60(14 to 140) Working humidity:0- RH(Non-Condensing) Colour:Green Material:Plastic Size:78x78x147mm/3.07x3.07x5.79in Package Contents: 1 * ZigBee soil temperature humidity tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.