1. Measurement of wind velocity, temperature and flow 2. Unit conversion of wind velocity,temperature and flow 3. Selection among upper wind speed/lower wind speed/average wind speed/current wind speed. 4. Temperature unit selection: Degree C / Degree F 5. Auto power off function (power off automotically if no further operation) 6. Large LCD display, easy to read 7. Power: 3 X 1.5V AAA battery (not included). 8. Wind chill indication 9. Low battery indication 10. Bluetooth function 11. 999 groups data recordingSpecification: Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 24cm * 13cm * 5cm / 9.45inch * 5.12inch * 1.97inch Qty per Carton 60 Carton Weight 15.50kgs / 34.17lb Carton Size 47cm * 40cm * 50cm / 18.5inch * 15.75inch * 19.69inch Loading Container 20GP: 283 cartons * 60 pcs = 16980 pcs 40HQ: 658 cartons * 60 pcs = 39480 pcs