Weitech Sound Bird Repellent With Flash. Imitates The Song Of Predatory Birds To Scare Them Away From Patios, Windows, Balconies, Gardens, Fruit Trees, Etc. Includes Flash To Increase Its Efficiency. Works With 4xaa (Batteries Not Included) Or 240v Adapter. Outdoor Use. Operates Automatically Or By Motion Detector.Specifications:- Weight: 0.706 kg- Use: Abroad- Effectiveness: They become disoriented and move away from protected areas- Guy: Sound bird scarer with flash- Includes flash to increase its efficiency: Yes- Operates automatically or by motion detector: Yes- Application: Patios, windows, balconies, gardens, trees, etc.- Imitates the song of predatory birds: Yes- Operation: 4 x AA batteries (not included) or 240 V adapter- Repellent of: Crows, sparrows, pigeons, starlings and others- Motion sensor range: Up to 7 - 8 m- Sound pressure: 120 db