Size(approx) Length: 9cm Width: 11cm Height: 20cm. Battery: 4 AA batteries (the product does not contain a battery). Material:Made of weather resistant plastic. The ultrasonic owl statue is made of high quality plastic and is well made, waterproof outside, beautiful and practical. Ultrasonic Protection: When the pest approaches, the owl motion sensor is activated. As soon as the pest approaches, the owl eye LED flashes and emits ultrasonic waves to scare away dogs, cats, minks, raccoons, mice, birds, foxes, rabbits, boars, herons, rats and wild animals. Cats defense is harmless to humans and animals. Waterproof and easy to install: These ultrasonic animal scares have solid construction and waterproof design. Note: Do not immerse in water. Just open the hole at the bottom, insert the battery and turn on the switch. Simply place the repellent on the area you want to protect. Perfect companion for the garden, patio, yard, driveway, garage, attic, porch, boat, garden, farm, pond, etc.