It adopts carefully selected metal material, so you can keep it for a long time. Uniform layout of wind blades to ensure measurement accuracy.- Color:Red- Material:Metal- Size:17.00×17.00×5.00cm/6.68×6.68×1.97in- Made of selected metal material which features with stability and ...It adopts carefully selected metal material, so you can keep it for a long time. Uniform layout of wind blades to ensure measurement accuracy.- Color:Red- Material:Metal- Size:17.00×17.00×5.00cm/6.68×6.68×1.97in- Made of selected metal material which features with stability and durability, very hard and smooth for durable usage.- 3- cup design, speed of the wind can be determined according to the speed of the wind cup.- Effective wind- speed monitoring, it’s the wonderful and practical gift for a weather observation lover.- 3- cup Sensor is a good choice to replace your broken or old anemometer measuring cup.- It suitable for direction measurement, and agricultural intelligent wind- speed direction measurement.In the Box1 x wind cup