Product Description Defenders Jet-Spray Fox Repeller detects and repels pests such as foxes, herons, cats and squirrels from garden and pond areas humanely, without causing them harm. The motion activated repeller detects animal movement and shoots a jet of water to deter the most persistent pests. Detects and repels herons and other unwanted wildlife from ponds and gardens without harm. Effective against herons, foxes, cats, squirrels and other nuisance animals. Easy set-up using standard hose connection and battery power. 0-10 metre range with adjustable PIR settings. All-weather encapsulated electronics - not recommended to be used or left out in freezing conditions.