Wind Speed Sensor Paired with WS1 Pro,RS485 external wind speed probe Measuring Range: 0-30m/s Measurement Accuracy: ± ( 0.3+0.03v ) m/s Response Time : -1s Baud Rate: 9600 Materials: Polycarbonate Power consumption: -1w Operating Temperature Range: -30°C to +70°C (-22°F to +158°F) Operating Humidity Range: 15 to 85% RH