Feature:1. REFLECTIVE REPELLENT: The bird repeller adopts rotation and flashing light method to repel birds, making them frightened and flee when exposed to strong light or reflected by their own shadow.2. 360 DEGREE REFLECTION: The sound light bird repeller is driven and rotated by wind, providing 360 degree reflection without dead angle, easy to operate.3. LARGE VOLUME: The built in sounder of the bird repeller can emit the sound that birds fear, with large volume, effective for all kinds of birds.4. SOLAR POWERED: The sound alarm is powered by solar energy, which saves energy and electricity, and has a long service life.5. WIDE USE: This bird repeller is suitable for various occasion, such as orchard, field, power grid, railway, airport, fish pond, etc.Specification:Item Type: Sound Light Bird RepellerMaterial: ABSLens Diameter: Approx. 68mm/2.7inRotation Diameter: Approx. 410mm/16.1inBattery: Rechargeable Lithium Battery 800mAh x 1 (Built in).Package List:3 x Reflective Lens1 x Shaft Body1 x Main Pole1 x Solar Alarm3 x Accessories