This is a great product to help fight corrosion on your electronic equipment like radio receivers, esc's and servos. It can be used after electronics get wet by displacing water or protecting electronics from future water damage. as on April 2020 the can now comes with an integrated flip up applicator (see picture). Its also a Multi Functional Product! In addition to its corrosion fighting properties, CorrosionX is also a super lubricant and penetrant. It lubricates under heavy loads and high temperatures. Use it on bearing, flex cable and more. It also penetrates like nothing you've ever used. Corroded or rusted nuts, bolts or fittings can usually be removed in just a few minutes. This item CAN NOT be shipped overseas or by airmail. 6 Ounce Aerosol Can.