Low Noise Good Heat Dissipation pure Copper Motor Our electric weed wacker has an 850 W high-performance pure copper motor with an idle speed of 12,000 rpm (working speed 4,000 rpm). It's the best on the market, period. This gives you more efficient performance, more battery life, and longer working hours. With this device, you can master big tasks with small machines. It is a multifunctional all-in-one: weed wacker electric, electric weed wacker eater, electric weed wacker eater cordless Comfortable and Secure Handle This cordless weed eater with battery and charger has an ergonomically designed handle that is comfortable to use. It also has double safety buttons.