Ultrasonic Anemometer Wind Speed Direction Sensor Thermo Hygrometer Weather Station for Fishing Boat Yacht Item Type: Ultrasonic AnemometerMaterial: ABSWind Speed Range: 0~40m/s Wind Speed Precision: ±2% (at 12m/s) Resolution: 0.01 m/s Measurement Unit: m/s Wind Range: 0~359.9° Resolution: 0.1° Temperature Measurement Range: -20°C~+75°C Temperature Measurement Accuracy: ±0.5°C (at 12m/s) Temperature Resolution: 0.1°C Measurement Unit: °C Humidity Measurement Range: 10%~99.9% Humidity Measurement Accuracy: ±2%RH (25°C) Humidity Resolution: 0.1%RH Pressure Measurement Range: 30000~ 110000 Pa Altitude Measurement Unit: m Altitude Measurement Range: +9000m~ 0m Waterproof Grade: IP65 Working Temperature: 20°C~ +75°C Storage Temperature: -30°C~ +80°C Working Humidity: <5%~100% Electromagnetic Compatibility: IEC60945 Input Source: 10.5 VDC ~ 40.5 VDC