This Rentokil Ultrasonic Repeller is designed for the control of garden animal pests, including cats, dogs, and foxes. It operates effectively day and night, in all weather conditions. The deterrent emits a sound inaudible to humans and has a detection range of 10 meters. It is weatherproof and easy to set up and use. Part of Rentokil's safer range, this ultrasonic repeller is poison-free and made in the UK with a 2-year manufacturer warranty. It requires 1 x high-quality 9V alkaline battery. Brand: Rentokil, MPN: FC78.