Features1. MAX wind speed/average wind speed/current wind speed selection 2. Degree C/F temperature unit selection 3. 5 Units selection: m/s, Km/h, ft/min, Knots, mph 4. Wind force level 6. LCD backlight display 7. Manual/Automatic power off 8. Frozen tips 9. Low power tips 10. Widely Application: Aircraft industry, offshore operation, environmental monitoring, air-conditioning system, ventilation system, fan manufacturingSpecification1. Measuring items: Air velocity (Wind speed), Air temperature 2. Range of Air velocity: 0~30m/s, 0~90km/h, 0~5860ft/min, 0~55knots, 0~65mph 3. Accuracy of Air velocity: +/-5% 4. Range of Air temperature: -10-45C (14-113F) 5. Accuracy of Air temperature: +/-2C (3.6F) 6. Resolution of Air velocity: 0.1m/s, 0.2CSpecification: Package Weight One Package Weight 0.13kgs / 0.29lb One Package Size 18cm * 15cm * 5cm / 7.09inch * 5.91inch * 1.97inch Qty per Carton 80 Carton Weight 10.00kgs / 22.05lb Carton Size 54cm * 35cm * 42cm / 21.26inch * 13.78inch * 16.54inch Loading Container 20GP: 335 cartons * 80 pcs = 26800 pcs 40HQ: 779 cartons * 80 pcs = 62320 pcs