Description Wanna buy a practicalwind cup? Here comes ourwind cupfor you to choose. Simple structure design helps make it convenient to use. Made of aluminium alloymaterial, durable and lasting for you to use. Features - Color: Black - Material:Aluminium alloy - Size: 17.00X17.00X5.00cm/6.68X6.68X1.97in -Well-made of premium and sturdy materials, safe and practical for lasting using time. -Small rotational resistance, accurate measurement, small size, light weight, easy to carry and assemble. -Flexible fitting is more sensitive in the wind, convenient and practicalAnemometer Cup. -The replacement wind sensor enjoying 360 degree wind speed measurement and low consumption. -Safe to use. Boasting wonderful performance and strong stability. You can buy and use with confidence.Package list: 1 x Replacement 3-cup Sensor(No Base)