Features REFLECTIVE SUPPORT: The bird repellent uses the rotation and flashing light method to repel birds, causing them to be frightened and flee when exposed to strong light or reflected by their own shadow. 360 REFLECTIVE The sound light bird repeller is powered and rotated by the wind, providing 360 degree reflection without blind spot and is easy to use. Large volume: the built-in sound transmitter of the bird repellent can emit the sound that birds fear, with large volume, effective for all types of birds. Solar powered: the acoustic alarm is powered by solar energy, which saves energy and electricity and has a long service life. Wide use: this bird repellent is suitable for various occasions, such as orchards, fields, power grids, railways, airports, fish ponds, etc. Specification: Item type: bird repeller with sound and light. Material: ABS Lens diameter: approx. 68 mm / 2.7 inches. Rotation diameter: approx. 410 mm / 16.1 inches. Battery: 1 x 800mAh rechargeable lithium battery (built-in) Package list: 3 x reflective lenses. 1 x wave body. 1 x main rod. 1 x solar alarm. 3 x accessories Package List 3 x Reflective Lens 1 x Shaft Body 1 x Main Pole 1 x Solar Alarm 3 x Accessories