The DC940KA drill features an all-metal transmission with a three-speed range from 0-450/ 0-1,450/0-1,800 rpm and a high performance motor which provides 285 unit watts of power. The DeWalt DC940KA also includes additional features such as 22 different clutch settings, a 1/2" ratcheting chuck to reduce slippage, a one hour battery charger with 2 (12v) batteries, and a convenient carry box.