Elektryczność 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).
This icon is a zigzag arrow pointing downwards. The arrow starts with slanted lines at the top that veer right, then downwards and slightly to the left again. The lines converge at the bottom in the shape of an arrowhead pointing downwards and slightly left.