The Makita DLS211ZU sliding compound Mitre Saw is powered by two 18V Li-ion LXT slide Type batteries (not included) to supply power to the 36V DC brushless motor with soft start for smooth start-ups to deliver up to 4400 rpm enabling the user to cut as fast as a corded slide compound Mitre Saw. The DLS211ZU is equipped with 2 stage safety switch (lock off) for increased operator safety large turn base to support the work piece securely integrated guide fences for increased rigidity & high cutting accuracy & single sliding system to enable smooth operation. Holders on both sides of the DLS211ZU hold long work pieces horizontally slide lock for locking the sliding movement of the carriage & linear ball bearings have been engineer to deliver "dead on" Accurate cuts.