Soil sensor measures and monitors soil temperature and humidity to help support plant growth. The soil temperature measurement range is 14F to 140F, and the soil moisture measurement range is 0% to 100%. Intelligent application control: If the sensor detects that soil moisture exceeds the set threshold, the watering timer will automatically stop watering. This value can be manually adjusted. The device records the soil temperature and humidity data from the past 10 days and displays it in graph format within the app for easy viewing. Easy to use: Connect the soil temperature and humidity sensor to the smart irrigation timer via the mobile app using Bluetooth. High quality: Durable plastic housing with a stainless steel probe and IP65 waterproof rating for long-lasting performance. Long battery life: Powered by 4 AAA batteries (not included), providing up to one year of operation without frequent replacement. Material: Plastic Color: Green Package Contents: 1 x Soil Moisture Sensor Note: The package includes only the items listed above. Other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.