Lutron 4 in 1 Air Anemometer:
Features:

Price:
Features : Data hold, max/min, low battery indication, multifunction measurement
Power Supply : 9V battery (006P or equivalent)
Application : Used for measurement of air velocity, temperature, humidity, and light
Usage : HVAC, meteorology, environmental monitoring, laboratory
Mounting Type : Handheld
Machine Weight : Approximately 220g (including battery)
Features : Compact design easy operation
Power Supply : Batterypowered
Application : Wind speed measurement
Usage : Environmental monitoring and industrial applications
Mounting Type : Handheld
Machine Weight : Approximately 200g
Features : Portable Lightweight Easy to operate
Power Supply : Battery
Application : Weather monitoring HVAC systems and airflow measurement
Usage : Measuring wind speed and temperature
Mounting Type : Handheld
Machine Weight : Approximately 250 g
Features : Portable; Measures air velocity temperature and volume flow
Power Supply : Battery powered
Application : Air velocity measurement
Usage : Airflow and temperature measurement
Mounting Type : Handheld
Machine Weight : 200g