Turbo Function to utilize power, which is used for rotation in drilling mode, additionally for chiseling. Best drilling and chiseling performance in class due to newly developed impact mechanism with 12,5 Joule impact energy and 1.500 Watt motor. Low vibrations due to: (1) AV-impact mechanism (2) decoupled main handle (3) tuned mass damper integrated in aluminium cover. Auto lock-on function in chiseling mode. Constant electronic with absolute speed dial with 6 positions. Drilling mode: Switch does not lock on. Important safety requirement. Chiseling mode: Switch locks on automatically. Released manually by pulling the lower trigger. Reduced creation of vibration within impact mechanism (longer air cushion).