Dual Battery Cordless Weed Wacker This 3-in-1 Grass cutter/Edge trimmer/Weed eater operates quietly and features an upgraded 2000mAh battery with approximately one hour of battery life, making it ideal for mowing, weeding, gardening, and more. The string trimmers high-power motor with a no-load speed of 18,000 rpm (operating speed of 7,000 rpm) ensures long operation and smooth mowing, making garden lawn weeding a breeze. Versatile Metal Blade Weed Eater This electric weed eater comes with four blade types to meet different mowing needs. The plastic blade acts like a sturdy rope, perfect for trimming soft grass; The metal blade and S-shaped blade are perfect for trimming weeds and reeds; and The manganese steel circular saw blade is suitable for trimming small shrubs and branches. It can be used on farms, patios, sidewalk edges, and shrubs. If your garden grass is dense, simply use the metal blade.