Portable Digital Wind Speed / Temp Anemometer Tester

Features
Measure Wind Speed / Temperature.
Wind Speed range is 0 - 30m/s.
Wind Temperature range is -10℃ - 45℃ (14℉ - 113℉)。
Current / Max / Average wind speed reading.
Wind speed unit adjusts from m/s, Km/h, ft/min, Knots, mph.
LCD backlit display.
Auto/manual power off.
Powered by a 9V Battery.
Specifications
Air Velocity
Range 0 - 30m/s, 0 - 90km/hr, 0 - 5860ft/min, 0 - 65mph(±5%), 0 - 55Knots
Resolution 0.2℃, 0.2m/s
Auto power off 14 minutes without any operation
Accuracy ±5%
Air Temperature
Range -10℃ - 45℃, 14℉ - 113℉
Resolution 0.2℃, 0.36℉
Accuracy ±2℃, ±3.6℉
General
Operating Temperature -10℃ - 45℃ (14℉ - 113℉)
Power Supply 1 x 9V 6F22 battery
Operating Humidity less than or equal to 90%RH
Storage Temperature -40℃ - 60℃, -40℉ - 140℉
Current Consumption About 3mA
Item Size 52.5 x 35.5 x 160 mm
Weight 180g