The Hitachi DV18DBL 18-Volt 3.0-Ah Cordless Brushless Lithium-Ion Hammer Drill is the second in a series of revolutionary brushless Lithium-Ion cordless tools. This next-generation technology manages the tool’s motor through use of a microprocessor, resulting in ultimate efficiency. Not only does this technology remove the hassle and downtime of having to replace brushes, but it also prevents the traditional wear on the trigger switch and the armature, creating an extremely durable hammer drill that is essentially maintenance-free. Powered by a 3.0-Ah Lithium-Ion slide-type battery for fade free power and 3x the total battery life of traditional batteries, this hammer drill provides professional grade power with just shy of 660-pounds of turning torque, 27,000-BPM and up to 1,800-RPM. The 4-way electric speed toggle and 2-way speed switch allows for (8) different speed and power calibrations that provides the ability to finely set the hammer drill depending on the application. This tool has a ratcheting 1/2-Inch keyless all metal chuck for quick and simple bit replacements with secure holding power and the (22) stage keyless clutch delivers (22) torque settings and a drill mode for ultimate precision and control. The optical trigger switch provides a more responsive variable speed actuation and wear resistant trigger assembly. This tool also features a metal belt hook, digital control panel, LED light, battery indicator and impact control. Ergonomic and lightweight at just 4.8-pounds, the DV18DBL reduces fatigue during extended or elevated use and truly stands alone against other hammer drills. (2) batteries, a charger, driver bit, side handle and carrying case are also included. The Hitachi DV18DBL 18-Volt 3.0-Ah Cordless Brushless Lithium-Ion Hammer Drill comes with a lifetime tool warranty, 2-year battery warranty and a 1-year charger warranty. Hitachi continues the tradition of innovation and engineering with new features in addition to classic quality.