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 rentokils safer range this ultrasonic repeller is poison free made in the uk with a 2 year manufacturers warranty requires 1 high quality alkaline battery