4-mode selector Rotary Hammer, Drill, Rotation, and Chisel. Anti-vibration handle delivers up to 47% less vibration allowing users to drill and chisel for extended periods of time. Highly efficient brushless motor provides up to 75% more power with up to 1.2 Joules of impact energy. Built-in LED light illuminates workspace and Overmold grip provides control and comfort. 3 YEAR WARRANTY : Greenworks helps protect your investment with a 3-year warranty.