The DewALT String Trimmer Kit includes (1) DCST920 trimmer, (1) 0.080" line prewound in spool, (1) 20V 5.0Ah battery, and (1) standard charger. The trimmer features a patented gear drive design to power through tough overgrowth. The lightweight and ergonomic design maximizes control and lightens user fatigue. the variable trigger provides hi/low speed control for added power or extended runtime. The high efficiency brushless motor provides longer life. The QuickLoad spool provides quick and easy re-spooling. Part of the 20V Max* System of tools.