The Ecowitt WN35 digital leaf wetness sensor provides accurate and instant leaf moisture information both on the LCD display and via an Ecowitt gateway or console. When paired with a GW1200/GW3000 Gateway: View leaf wetness reading on the Live Data page of the App (requires the gateway and your phone is using the same WiFi network) Up to 8 channels supported Channel names can be edited on the App. Battery level information displayed on the App. When paired with a supported Weather Station Console: View leaf wetness data in real-time on the display Up to 8 channels supported Features Simulates leaf surface to measure moisture LED display for current reading IP66 rated For use with a gateway or weather station console View readings directly on the App or console Supports up to 8 sensors, channels allocated by power on sequence Upload data to the Ecowitt weather server to view history graphs and download the data from the website in Excel format Includes WN35A Multi-Channel Leaf Wetness Sensor Mounting bracket and fittings Manual available by electronic download Technical Sensor range: -0% - 99% (+/-10% accuracy) Transmission distance in open field: 100m (300 feet) IP66 rated 868MHz UK / European frequency (A suffix) Sensor reporting interval: 79.5 seconds Power: 1 x AA 1.5V (LR6) Alkaline battery required, estimated 12 months use