Main Features:● Data hold and maximum / minimum value display
● Easy to set area dimensions and to store them into the meter's internal memory for next power on
● Various units for options: Units of area ( m2， ft2 )， units of wind speed ( m/s， km/h， mil/h， ft/m， ft/s， knots ) and units of air volume ( CMS， CMM， CFM )
● Low battery indication
● Supplied with a specially designed storage bag for you to carry and protect the instrument
● Ideal instrument for windsurfing， sailing， fishing， kite flying and mountaineering， etc.
● Can also be used for industrial and home purpose such as measuring wind speed of CPU computer fans， air conditioners， air blowers， etc.
● Auto power off， low battery consumption
● Powered by 1 x 9V 6F22 battery ( NOT included )
Package weight: 0.351 kg
Product Size(L x W x H): 16.50 x 8.50 x 3.80 cm / 6.5 x 3.35 x 1.5 inches
Package Size(L x W x H): 20.50 x 12.00 x 7.50 cm / 8.07 x 4.72 x 2.95 inches Package Contents: 1 x HYELEC MS6252A Digital Antemometer， 1 x English User Manual