All the features of the original Pestfree with the added deterrent of red flashing LEDs simulating predator's eyes. You're being hunted! Pestfree - the ultrasonic pest management system that will keep your garden clear. Inaudible to humans and harmless to all species. Deters pests. Banish cats, dogs, foxes, martens and to lesser degree rabbits from protected areas. A compact, stylish and powerful pest deterrent for your garden. Pestfree is a multi-frequency deterrent designed to keep unwanted pests out of your garden. Protects birds, fish ponds, flower beds and lawns, covering an area of 88sq.m. It operates day and night in most weather conditions. Pestfree is inaudible to humans and harmless to all species. The mains adaptor is recommended if a lot of people or creatures pass by the unit because this may shorten battery life. (Average battery life - 2 -3 months - requires 1 x 9v Duracell alkaline battery). Manufacturer's 2-year warranty.