Is your lawn or garden infested with ants? No problem! Wilson Ant OUT Ant killer is designed to quickly and effectively rid you of ants in the long term. Now with rosemary essential. This product can be used indoors or outdoors. Its convenient and adjustable battery-powered wand will help control ants in flower beds, around trees and shrubs, on patios, and many other places where they are a nuisance. You've found your solution! 3 l format.