Davis 6420 Leaf Wetness Sensor - Instruments for Moisture MonitoringThe Davis 6420 Leaf Wetness Sensor is designed to monitor the level of surface moisture on foliage, with a range from 0 (completely dry) to 15 (saturated). This sensor can be used with both the original Vantage Pro and Vantage Pro2, and must be connected via a Leaf & Soil Moisture/Temperature Station (#6345).With the ability to add up to 2 sensors to a single Wireless Leaf & Soil Moisture/Temperature Station, this sensor is perfect for those who need to monitor moisture levels in multiple areas.Product Features: Monitors surface moisture on foliage Range from 0 (completely dry) to 15 (saturated) Add up to 2 sensors to a single Wireless Leaf & Soil Moisture/Temperature Station Compatible with both original Vantage Pro and Vantage Pro2 Includes 40' (12M) cable Specifications: Product Type: Leaf Wetness Sensor Range: 0 (completely dry) to 15 (saturated) Compatibility: Vantage Pro and Vantage Pro2 Cable Length: 40' (12M) Learn More: Leaf Wetness Sensor on Wikipedia Vantage Pro2 on Wikipedia Vantage Pro Weather Station on Wikipedia