Soil Moisture Sensor Monitor Plants Moist Testing Tool Soil Hygrometer Plant Detector Garden Care Planting Humidity Meter Bullet points: 1. Long battery life: When the monitor detects that the soil moisture is greater than 15%, it will switch to the smart mode. It will monitor once every 2 hours and turn on once: When the soil moisture is less than 15%, it will switch to the water shortage mode. Monitor once every 5 minutes and turn on the light once. 2. Sturdy plug: can adapt to most soil materials including sand, clay, and pebbles. 3. Anti-corrosion design: the black parts can be directly poured into water, and the white parts are resistant to rain and sun. 4. Human-machine friendly instructions: different colors of lights represent different states, intelligent chip real-time monitoring, automatic conversion reminder. 5. Simple appearance: It is a good choice for both use and decoration. Descriptions: Material: ABS color: White Size: 131 * 25.1 * 10.9mm / 5.16 * 0.99 * 0.43inch Working voltage: 3V Working current: 10uA Battery: 1 * 3V CR2032 button battery (not included) Rated power: 0.03W Measuring range: 5% Package included: 1*Soil moisture meter