Feature: 1. With LCD backlight display, the measurement results can be visually and clearly displayed on the screen. 2. It is equipped with imported chips and microcontroller, which is sensitive, accurate and fast. 3. Portable digital wind speed measuring instrument can be used for manual or fixed measurement with simple operation method. 4. Mini hand-held design, small size, light weight, easy to carry, suitable for field measurement. 5. It has the function of data preservation and measurement of maximum and minimum values. Specification: Condition: 100% Brand New Item Type: Anemometer Material: ABS Battery: 1 x 9V 6F22 Battery (Battery Not Inclede) Weight: Approx. 292g / 10.3oz Size: Approx. 165x85x38mm / 6.5x3.3x1.5in v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} x\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} Range Precision Resolution Wind Speed 0.80-30.0 m/s ±(2.0% reading + 50) 0.01m/s 80-5900 ft/m ±(2.0% reading + 50) 1ft/m 1.40-108.0 km/h ±(2.0% reading + 50) 0.01km/h 0.90-67.20 mile/h ±(2.0% reading + 50) 0.01mile/h 0.80-58.30 Knots ±(2.0% reading + 50) 0.01knots 1.30-98.50 ft/s ±(2.0% reading + 50) 0.01ft/s Wind Flow 0-99990 CFM (Area)0 - 9.999 ft2 0-99990 CMM (Area)0 - 9.999 ft2 0-9999 CMS (Area)0 - 9.999 ft2 Package List: 1 x Anemometer (Battery Not Included)1 x Black Storage Bag1 x Instruction Manual Note: 1.Please allow 0-1 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.