Introducing the EGO POWER+ 16in POWERLOAD String Trimmer, the worlds most advanced trimmer featuring the worlds first LINE IQ technology. Auto sensing technology monitors and feeds the length of the line for a continuous 16in cutting swath delivering non stop high performance trimming. No bump needed! Patented POWERLOAD technology automatically winds your trimmer line. Replacing your string line is as easy as feeding the line into the head and pressing a button! A carbon fiber shaft makes it the strongest string trimmer on the market - backed by a lifetime warranty. With its telescopic design, quickly adjust the shaft length for ease of use and comfort. Get over 60 minutes of continuous cut time when used with the included EGO 56V 4.0Ah ARC Lithium battery. This revolutionary trimmer is also built with digital variable speed, a high efficiency brushless motor, and .095in professional cutting line. Experience Power Beyond Belief without the noise, fuss, or fumes.