1. MAX/MIN value, average wind speed, real-time value selection2. Selection of different wind speed and air volume units3. Selection of different temperature units4. Low power display, backlight display1. Wind speed units:meters/second, feet/minute, knots, kilometers/hour, miles/hour2. Wind speed range:0.3-30M/S3. Accuracy:5%[Air volume]1. Air volume unit:CMM (M3 /MIN) Range:0-9999002. Air volume unit: ((M3 /S)) Range:0-9999003. Air volume unit:CFM (FT3 /MIN) Range:0-999900[temperature]1. Temperature range -10-452. Temperature unit:/ switchable3. Accuracy:2Product weight:About 147gBattery:Lithium battery charging, TYPE-C interface (please manually connect the wiring before use)Colour:Black & OrangeMaterial:absSize:About 180x80x50mmPackage Contents:1 * Wind speed measuring instrument1 * Data cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.