Davis Instruments Moisture Sensor Soil. Does not require periodic maintenance during the growing season. Simply bury at the desired depth then monitor moisture levels throughout the season. Add up to 4 sensors to a single Leaf & Soil Moisture/Temperature Station. Includes 15' (4.6M) cable. Compatible with Vantage Pro and Vantage Pro2. The Soil Moisture Sensor must be connected via a Leaf & Soil Moisture/Temperature Station (#6345). Specifications for Davis Instruments Soil Moisture Sensor: Manufacturer: Davis Instruments Color: Black Package Contents: Davis Instruments Soil Moisture Sensor Davis Instruments 6440: Moisture Sensor Soil