Brushless motor: provide up to 25% more runtime and produces 350 unit watts out for improved durability. 1/2" ratcheting chuck: for improved bit retention and easy bit changes. Two speed gearbox: for speeds of 0-600 and 0-1900 rpm. Visibility: LED light for visibility in dark areas. V20 system compatible: part of the V20 cordless power tool and outdoor equipment system giving you the power to do it all: build. repair. restore. maintain.. Kit includes: (2) V20 2.0ah batteries.