A sophisticated handheld anemometer with the sensor separate from the display. Provides simultaneous display of wind and temperature. Extend the sensor to reach clear airflow in turbulent areas or out a window when checking external conditions. Also ideal for measuring air flow within equipment without having the display obscured. Air speed in metres/sec; km/hr; feet/min; miles-per-hour; knots Air flow in cubic metres/minute; cubic feet/minute with adjustable air flow area Data hold Records minimum, maximum, and average reading Auto power off Ball bearing mounted sensor impeller LED backlit LCD screen Outdoor / Exterior Scale : 0.0 degrees Celsius, 50.0 degrees Celsius Wind Speed Range : 1.4km/h, 108.0km/h Measures Wind Direction : false Displays speed in km/h : true Displays speed in knots : true Length : 162.0mm Width : 62.0mm Depth : 30.0mm Battery type : AAA Battery Quantity : 3.0pc Are batteries included : true Batteries can be replaced : true Battery compartment location : Back How is battery compartment kept closed : Screw Additional Part Type : Sensor Length : 155.0mm Width : 76.0mm