* Out side air speed measurement.
* 0.9 to 35.0 m/s, ft/min., km/h, mile/h, knots.
* All in one, hand held type.
* Cup type probe, high reliability.
* LCD display, Record (max., min.).
* IP-65 Water resistance, heavy duty.
* DC 1.5V battery (UM-4, AAA) x 4.
