The Skywatch Eole 1 anemometer is equipped with a 3D propeller that accurately measures wind speed in all positions relative to the wind. The device is powered by two LR6 batteries. A thread in the aluminum base allows for the attachment of a camera tripod. The anemometer is 100% waterproof, unsinkable, and comes with a protective cover for the propeller. Dimensions: Ø 65 x 155 mm Weight: 235 g Functions: Wind measurement with display of current, maximum, or average wind speed (from 3 seconds to 24 hours) in user-selected units such as km/h, m/s, knots, mph, feet/sec, or Beaufort scale, with backlighting.