1. Improved durability With an electroplated reflective surface, this reflective spin deterrent for birds is designed to withstand different weather conditions and ensure long term effectiveness in deterring birds from landing and infestation of outdoor areas. 2. Versatile use: With a rotating diameter of 200 mm and an adjustable clamping range, this reflective spin deterrent for birds is ideal for a variety of environments, including orchards, farmland, power lines, towers, railways, airports and more, and provides versatile protection from unwanted birds. 3. Effective Bird Repellent The wind powered rotating bird repellent uses rotating reflective cups powered by the wind to create visual disturbances and effectively repel birds. This provides a proactive solution to keep different species of birds from sleeping or nesting. 4. Efficient bird control Suitable for gardens, patios, roofs, decks and boats. This reflective rotating deterrent effectively prevents birds from approaching, nesting or settling in certain areas.