If you encounter any quality problems over the life cycle of our product, please contact us in time. Badger warrants this product against defects in material and workmanship for a period of three (3) years for home use and commercial use commencing on the date of original purchase and will, at its option, repair or replace, free of charge, any part found to be defective in material or workmanship. 4 in 1 Multifunction15 String TrimmerEdger, 8 Pole Saw, 16 Hedge Trimmer and 0.08 line10 Brush Cutter included. Lightweight Greatly reduces the burden of handheld work, even if working for a long time, it can keep the arms comfortable and not tired. Strong Powerful Engine 40V20V*2provides powerful power. Easy to Assemble It is very easy to assemble and remove the attachment within seconds. Comfortable operation By optimizing the internal structure and reducing vibration transmission during operation, it allows you to maintain comfort and stay away from fatigue even after long time of work.