Opuszczanie Geo Fence and other 65,000 icons from Icons8 icon pack follow the visual guidelines of the operating systems: Windows, iOS, Android KitKat, and Material. PNG format is free up to 100x100 px. Icons are availble for download in PNG and vector (SVG, PDF, EPS, and more).
The image is of an partial circle with an arrow in the middle. The circle does not close completely and is made to look three dimensional. The arrow's tail is in the center of the circle then points straight up.