Foxwatch Is The Ultimate humane Approach To Urban Fox Control. Its The Uks Best Selling Fox Deterrent; Foxwatch Also Deters Dogs. Easy To Use & Economical To Run; Inaudible To Humans.brown Casing Blends Discretely Among Trees & Shrubs.the Unit Is Battery Powered Or You Can Use It With The Mains Adaptor To Power From Mains Electricity Which Also Makes It 30% More Effective. mains Adapter Is Not Supplied With This Product.at 40-45khz Sound Only Affects Foxes & Dogmade In The Ukquality & Durable Productinclude Tips & Directions For Usebattery Powdered Or Mains-powered (30% Louder) With Mains Adaptoreffectively Protects An Area Up To 125 Square Metres 2 Years Warranty (after 2 Years Can Be Repaired For £12.50 Or Replaced At A Lower Price)brown-casing Blends Discretely Amongst Trees Or Shrubs