Description: Feature Ultrasonic Solar Animal Repellent (repels snakes, birds, deers, raccoon, mice away with the ultrasonic sound in a safe and humane way. No messy chemicals or pesticides, no traps, no dead animals body. The ultrasonic wave is activated when an animal or a bird goes inside the PIR sensor range, then, the ultrasonic sound wave will make the animal feel uncomfortable and the animals will go away from your garden. Environment –friendly. Solar energy can charge the built-in batteries. No need charging or connect any electric socket. It saves your money. WATERPROOF: The Animal Repellent is made of anti-UV and waterproof material, it is suitable for all weather conditions. Attention: The devices is activated by motion and combine with ultras sonic sound, flashes light and sound to chase unwelcome small animal out of your place. if the animal just stay a place and no move, this device would be not activated and no apperant result. so please found out the route that cats, dogs, mice, rats, squirrels would be move or appear, then plug or install this device and will be works great on deterring them. second, please switch on this device then emit sound and flashes light. if not, you have better place it in sun place for a day or email us. Specifications: Unit weight: 7.5 oz Power Supply: 3 AA Ni-MH Rechargeable Batteries Power Consumption: standby 10 mAh, working 15 mAh Ultrasonic Frequency: 25-61KHZ Coverage Area: 30 feet to 2425 square feet Package Included: 1*Ultrasonic Pest Repeller