LONGER RUN TIME BATTERY LIFE Cordless string trimmer comes with 2pcs 21V Lithium batteries, which can run continuously for about 4060 mins for cutting grass thin weed, and it takes about 2 hours to charge. Usually When one battery run out of power, and another battery can be continused use. Its so convenient and ideal for light and medium jobs. 3 TYPES OF CUTTING BLADES Electric Brush Cutter with 3 type funtional blades Plastic blades are suitable for mowing soft grassnot for thicker and harder grass stems; Fast cutting metal blades are suitable for mowing lawns, weeds and small shrubs; Manganese steel circular saw blades are suitable pruning thicker shrub branches. Ideal for trimming around yards and bushes, townhouse lots, flower beds, walkways, patio. Note Be careful when using them. ADJUSTABLE HANDLEWHEELS Batter Powered Weed Eater with Adjustable Handle helps you to find a comfortable working position for your hands, improves comfort and control; Adjustable length of telescopic shaft which total length is about 125cm47 inch,also it can be adjusted in short about 88cm34inch. SAFE COMFORTABLE DESIGN Handle fixed button setting to keep the edger working uninterrupted, difficult for children to open it. Rotating baffle design, to prevent splashing when the weed trimmer. The angle of the machine head rotation 090 freely adjustable at will to ensure that it can be suitable for most complex working environments PORTABLE LIGHTWEIGHT The weight of this Grass Trimmer is only about 5.7 lbs with battery, not tired even use it all day, senior citizen and women can use it. Multiple replacement parts can meet your different needs. WHAT YOU GET Package Include 2* 21V 2000mah battery, 1*charger, 20* plastic blades, 2* metal cutting Blades, 1* crcular saw blade. Our service starts when you place an order. Well do everything we can for your any issue. Dont worry about not worth your money, online reply within 24 hours, we are always here to service for you, until you are satisfied.