This Rentokil Ultrasonic Repeller is for the control of garden animal pests including cats, dogs, foxes and rabbits. It operates day and night in all weather. Inaudible to humans, this deterrent has a detection range of 10 metres. It is weatherproof, easy to set up and to use. Part of Rentokil's safer range, this ultrasonic repeller is poison free. Made in the UK with a 2 year manufacturers warranty. Requires 1 high quality alkaline battery.