[3in1 Detection]: Integrates three testing functions of soil temperature, humidity, and sunlight in one, guarding the growing environment of plants in all aspects and providing scientific growing conditions for your plants. [Quick & Intelligent Soil Testing]: This product features a highly sensitive probe that allows for faster and more accurate detection. With this product, regardless of changes in light intensity or fluctuations in environmental humidity, you can quickly and reliably understand the soil condition and adjust it as needed to make the most suitable soil environment for plant growth and improve crop yield and quality. [Tuya APP Control]: This sensor is a soil temperature, humidity, and light data collector for the Tuya APP. It adopts Zigbee technology and has a mission rate of 250Kbps. After connecting to the APP through the ZigBee gateways, it regularly uploads temperature, humidity, and light data to mobilephones or cloud platforms for user reference. Long-term data recording, easy to compare and analyze, Compatible with for iOS and for Android systems. [Humanized Design]: Powered by 2x AA battery(not included), the convenient removable battery design makes it more flexible and convenient to use and meets various needs from home gardening to professional agriculture. Perfect integration of environmental protecting and efficient energy use, greatly reducing the user's cost and maintenance burden, to achieve a truly maintenance-free, all-weather soil testing service. [Wide Applications]: Suitable for different soil textures and various environments. Perfect for pot planting, greenhouse planting, scientific research planting, flower planting, vegetable planting, fruit planting, and so on. Name: Soil Tester Battery: 2 x AA battery (not included) Temperature measurement ranges: -20 to 85(-4 to 185) Humidity measurement ranges: 0- RH Light intensity: 0-65535Lux Temperature resolution: 0.1 Humidity resolution: 1% Low temperature alarm(only APP can display the alarm): -15 (-5) Working frequency: 2.4GH mission distance: 150m Waterproofing: IP65 Colour:As Shown Material:Plastic Package Contents: 1 x Soil 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.