Features Reduced-Emission Engine Technology - The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. Anti-Vibration System - Helps reduce operator fatigue and provides a more comfortable working experience. Multi-Function Control Handle - easy access to all of the controls on one comfortable handle. STIHL Easy2Start™ - The STIHL Easy2Start™ system makes starting STIHL® outdoor power tools almost effortless, eliminating the need for a strong pull of the starting cord. Adjustable Support Harness - Equipped with an adjustable support harness that distributes weight evenly across the shoulders and back, reducing user fatigue. Throttle Trigger Lock with Built-In Momentary Stop Switch - The built-in stop switch allows the user to turn off the engine with a simple press of the button or lever. When the engine is off, the throttle lock automatically returns to the “start” setting. Specifications Weight - 11.7kg Displacement - 79.9cc Engine Power - 3.2kw (4.4 bhp) Fuel Capacity - 1.99L Blowing Force - 41 Newtons Avg Air Velocity - 89 m/sec. (199 mph) Max Air Velocity - 107 m/sec. (239 mph) Air Volume at Nozzle - 1550 m3/h (912 cfm) Sound Pressure Rating - 78 dB(A)