Provides up to 13,500sq ft of coverage; Gets rid of moles, voles, gophers, shrews & other burrowing rodents; Patented motor drive generates powerful vibrations ; Anodized with rich, gold tone & crafted from aluminum to ensure lifetime performance; Watertight cap allows easy insertion at ground level, protecting lawnmower & making it virtually invisible; Patented battery cylinder allows user to change batteries without removing unit from ground;