Soil sensor measures and monitors soil temperature and humidity to support plant growth. The soil temperature measurement range is 14°F to 140°F, and the soil moisture measurement range is 0% to 100%. Intelligent app control allows automatic watering shutdown when soil moisture exceeds the set alarm value, which can be manually adjusted. The sensor records the soil temperature and humidity data for the last 10 days and displays it in graph format within the app for easy monitoring. Easy to use: Connect the soil temperature and humidity sensor to smart irrigation systems via mobile app using Bluetooth. High quality: Features a durable plastic housing and stainless steel probe with IP65 waterproof rating for long-term outdoor use. Long battery life: Operates on 4 AAA batteries (not included), designed to last up to one year without frequent replacement. Material: Plastic Color: Green Package Contents: 1 x Soil Moisture Sensor Note: Light and display differences may cause slight color variations between the product image and actual item. Measurement error allowance is +/- 1-3 cm.