Efficient Bird Deterrent Design: This innovative bird deterrent features a flip board mechanism that effectively deters birds from your property. It operates primarily through wind power, ensuring bird deterrence without the need for electricity and Weather Resistant Construction: This bird repellent device is made from quality plastic and iron, this bird deterrent is built to withstand various weather conditions, making it suitable for outdoor use in any season Wide Coverage Area: With a bird deterrent range of over 3.6 meters and the ability to operate in wind conditions as low as 0.five levels, this device provides extensive coverage for large areas such as farms, orchards, ponds, and more Easy Installation and Lightweight Design: The lightweight construction allows for easy installation without requiring complex tools or equipment. Simply set it up in your desired location to start protecting your area from birds immediately Versatile Application Areas: The bird deterrent is ideal for use in diverse settings including towers, substations, farms, orchards, warehouses, large workshops, food processing plants, airports, and even historical building preservation sites Specification: Material: Plastic Iron Size Chart: Cover length about 30cm/11.81inch Package Includes: 1 Bird deterrents device Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.