Power state & trade; Brushless motor: purposely built for the M18 fuel trade; super sawzall & trade; to generate the power and performance of a 15A corded reciprocating saw. Relink Plus trade; intelligence: ensures optimal performance and provides overload protection to prevent damage to the tool and battery during heavy applications while still maintaining compatibility across the entire m18™ system. Red lithium & trade; high output HD12. 0 battery pack: provides 50% more power and runs 50% cooler versus standard red lithium & trade; HD packs. Superior pack construction provides the industry's best protection against jobsite conditions. 1-1/4" Stroke length removes more material with each stroke variable speed trigger and 5 speed dial provide ultimate speed control The Milwaukee M18 fuel trade; super sawzall & reg; generates the power of a 15A corded reciprocating saw, faster cuts than the legendary Milwaukee 15A AC super sawzall & trade; ; and up to 150 cuts in 2x12 SPF per charge. Designed to perform in the toughest applications The m18™ fuel super sawzall & reg; combines Milwaukee's legendary performance and durability with the portability of the M18 platform. The power state & trade; Brushless motor provides 3, 000 SPD and higher speeds under load for corded cutting performance. Relink Plus trade; intelligence ensures maximum performance and protection from overload, overheating and over discharge. The m18™ red lithium & trade; high output HD12. 0 battery delivers unmatched run-time in all applications. The 1-1/4" Stroke length removes more material with each stroke and selectable on/off Orbital action provides aggressive cuts in wood and smooth cuts in metal. Variable speed trigger and 5speed dial provide maximum speed control for any application. The quick-lok & reg; blade clamp allows for tool less blade changes and a rafter hook provides a convenient way to store the saw between cuts.