Anemometer, Digital LCD Wind Speed Meter AR816 plus Handheld Air Speed Tester for Measuring Wind Chill, Wind Speed and Temperature

Specification: Wind Speed Measuring:  0~30m/s                                                      Wind Speed Accuracy: ±5%   Wind Speed Units: m/s,Ft/min,Knots,km/h,Mph    Current/Average Measuring: yes   Temperature Measuring Range: -10°C~45°C   Temp. Resolution: 0.2?   ?/? Selection  ---   Backlight Display   yes   Low Battery Indication   ---   Data Hold Function   yes   Resolution   0.1m/s   Max & Min Measuring    Max only  Range Bar Graph   yes   Wind chill indicaton       yes   Auto/Manual Power Off  yes   Power   CR2032 3.0V (not included)   Product Net Weight / Size     58g / 110*43*21mm   Packing Contents: 1pc anemometer , 1pc user's manual, 1pc blister package          Operation Guide:  1. Put battery into battery compartment, LCD will blink all display for a second.  2. Recover battery door, push" MODE "in 1s to turn on the unit. LCD will display wind speed, temperature & battery icon. LCD backlight will lasting for12s.  3. Setting different wind measurement: Push "MODE"for 3 seconds until"m/s" starts to blink. Push" SET "to select desired measurement unit. To confirm the desired measurement unit by push" MODE ".