A powerful ultrasonic repeller designed to clear the garden of unwanted visitors. The motion detector detects movement up to 70
...The Ultrasonic Cat Repeller uses a PIR motion sensor to detect movement to a distance of 40ft, then emits a powerful ultrasonic whistle which scares cats away. Uses 2 x 9v batteries (not included) or 12v mains adapter (not included). Pre-set frequencies deters cats. Won't affect other animals & pets. Battery operated or will run off mains.