The GFR 18V-23 Professional is a cordless brushless mower with a powerful brushless motor for high performance, increased run time and longer life. You can manually adjust the engine speed to current working conditions to optimize run time. Electronic speed control keeps the speed constant to maintain even trimming performance. The Bosch Anti-Tangle feature ensures more even cutting, preventing jamming caused by long grass or weeds wrapped around the shaft. The well-balanced and lightweight design supports effortless work. A powerful cordless brushcutter for medium to large gardens, the GFR 18V-23 Professional easily cuts through thicker vegetation and dense undergrowth. It is compatible with all batteries and chargers in the Bosch Professional 18V System. The GFR .