Specifications: ?High-power and high-efficiency lawn mower?The electric lawn mower is cordless with a power of 800W and a motor speed of 21 000 rpm. Includes two rechargeable 2000mAh high-capacity 21V batteries. This battery-powered electric weed killer will be one of the comfortable and flexible tools in lawn mowing. Improve your work efficiency finish your work quickly and reduce stress. Weed wacker battery power supply does not use any gasoline so it is quieter safer and more environmentally friendly. ?3-IN-1 3 kinds of blades for lawn mower?There are 3 different types of blades for electric cordless lawn mower. Multi-purpose: plastic blade is suitable for cutting grass on soft lawn; Stainless steel metal blade is suitable for pruning weeds and small shrubs; 40-tooth alloy saw blade is very suitable for cutting thick shrubs branches and seedlings. To avoid damaging the blade please choose the correct blade when weeding. ) ?Adjustable length and upgraded wheel design?The battery-driven la