About this item Grass & Brush Cutter 3-in-1, plastic blades, suitable for mowing young grass; Stainless steel blade, suitable for quickly mowing lawns, weeds, small shrubs; Manganese steel round saw blade, with strong cutting ability, suitable for trimming thicker bush branches. 450W Copper motor electric string trimmer powered by 21V 2000mAh lithium-ion battery for performance, Charging time: 2-3 hours, when fully charged, the indicator Green light will be always on. Using time: About 30-40 minutes. Low noise: The cordless weed edger is lighter and quieter than a petrol-powered trimmer, as well as less maintenance-intensive and emission-free. The angle of the machine head can be freely adjusted within 180 degrees For Edging, so the trimmer can trim lawn and trees, no matter at the wall corner or in the flower bed. Compared to the models with cables, cordless lawn trimmers offer greater mobility. The telescopic link is adjustable between 35.4-47inch, Protective guard can effectively prevent grass from splashing when working.