Knock Pest Animal Repeller The Knock Pest AnimalRepeller repels multiple unwanted animal species from your garden, pond or yard. The ultrasonic signal is very strong and only comes into effect when animals (e.g. rats, dogs, foxes, cats, birds, martens, etc.) come into contact. The Knock Pest Animal Repeller has a motion detector and can be set in different ways. Both for prevention and when an unwanted animal enters your yard. The Knock Pest AnimalRepeller is battery-operated so you don't need electricity. Works up to approx. 8-10 m away. The device can also be connected to the mains by means of a 5V DC adapter (not included).   Benefits • Motion detector. • Ultrasonic sound. • Repels rats, dogs, cats, foxes, martens, rabbits, etc. from the garden and yard. • Easy to install. • No electricity required.   Size 11.5 x 8.5 x 5.5 cm (incl. base: 31.5 x 8.5 x 5.5 cm) Works on 3 pieces AA batteries (not included). effectiverepeller.