Description:<br>       TM816 Anemometer Digital LCD Pocket Smart Tachometer Air Flow Measure Velocity Wind Speed Meter        TM816 is production of a compact integrated digital wind wind temperature meter， impeller bearing selection of hard wear-resistant bearings， the battery compartment adopts imported components， thoroughly solve the defects of battery such product installation of bad contact， in addition to the measurement of wind speed and wind temperature also has wind simulation display.           TM816 is simple to use， and has the fashion silver  color choice， cost-effective， suitable for personal travel， environmental monitoring， air conditioning repair etc..      Features:       Impeller Bearing: Hard Bearing  Auto Power Off: Yes  Air Velocit Unit: m\/s， Ft\/min， Konts， Km\/Hr， Mph  Cold Wind Tip: Yes   Backlight Display: Yes  MAX Function: Yes  MIN Function: ---  AVG Function: Yes  Resolution: 0.1m\/s，0.1 C  Hold Function: ---  Power: CR2032， 3.0V      Specification:       LCD Size: 30mm x 25mm  Product Color: Silver or Black  Product Size: 105 x 40 x 15  Product Net Weight: 53g  Packing: Blister  Temperature Range: -10 C- 45 C(&amp;plusmn;2 C)  M\/s: 0.3-30m\/s  Ft\/min: 80-5860ft\/min  Km\/hr: 1.0-90Km\/h  Mph: 0.9 - 65MPH  Konts: 0.5 - 55Konts   C\/ F Selection: Yes  Accuracy: &amp;plusmn;2 C\/&amp;plusmn;5%&amp;plusmn;0.1dgts      Package includes:        1 x TM816 Anemometer  (Silver or Black， Random delivery)       Details pictures: