Features HIGH VOLUME: Solar sound light bird repeller is with high volume, rain proof design, built in sounder, continuous operation, good for all kinds of birds. ROTATION AND FLASHING TYPE: Because the use of rotation and flashing type in this bird flashing deterrent, so that birds in the glaring or their own shadow reflection when frightened to escape. MIRROR DIAMETER AND ROTATION DIAMETER: Bird flashing deterrent adopts 68mm(2.7in) mirror diameter and 410mm(16.1in) rotation diameter. LARGE APPLICATION RANGE: This bird repeller is can be variety of scenarios needed, orchard, field, power grid, railway, communicating, airport, fish pond, etc. WIND AND SOLAR DRIVE: This solar bird flashing deterrent is both wind and solar drive available, 360° no dead angle reflection. Specification: Item Type: Solar Bird Flashing Deterrent Material: ABS Mirror Diameter: Approx. 68mm / 2.7in Rotation Diameter: Approx. 410mm / 16.1in Battery: Rechargeable lithium battery 800mAh x 1 (shipped with built in battery) Package List: 3 x Reflective Mirror 1 x Shaft Body 1 x Main Rod 1 x Solar Alarm 3 x Accessories Package List 3 x Reflective Mirror 1 x Shaft Body 1 x Main Rod 1 x Solar Alarm 3 x Accessories