Extech 45170CM 5-in-1 Environmental Meter

The 45170CM is a convenient 5-in-1 Environmental Meter which measures Air Velocity, Air Volume, Humidity, Temperature and Light. Ergonomic housing design with large dual "smart" LCD where characters on display reverse direction depending on the function in use. This multi-functional meter is ideal for professional or home use in testing the environmental quality in a building. Featuring Data Hold, Min/Max, Auto Power Off functions. Complete with built-in sensors, wrist strap and 9V battery.