Feature: 1. Black shielded wire, waterproof, oil-proof, four-core cable, strong anti-interference ability, stable signal transmission. 2. Small size, light weight, reduce friction, improve sensitivity, ensure the accuracy of measurement. 3. It is widely used in wind direction measurement in greenhouses, environmental protection, weather stations, ships, aquaculture and other places. Specification:Condition: 100 percent Brand New Item Type: Wind Sensor Material: Aluminum Alloy, Polycarbonate Output Signal: 4-20mA Wind Speed Measurement Range: 0-30m or S Accuracy of Wind Speed Measurement: and1m or S Response Time: <5s Baud Rate: 2400 or 4800 or 9600 Power Consumption: <1W Operating Temperature: -30 - 80 Working Temperature Environment: 0-100 percent Weight: Approx. 356g or 12.6oz Height: Approx. 12.4cm or 4.9in Wiring Instructions: Brown: Power Supply Positive (12-24V) Black: Power Supply Negative Yellow: 485-A Blue: 485-B 1. Ensure that the mounting bracket is parallel to the ground 2. Installation with flange and fixing with on bracket 3. Connect the air socket connector with the air socket of the sensor through the reserved air route hole.1 x Wind Sensor1 x Cable1 x Bag of Screws Note:1.Please allow 01 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.