Easy-to-adjust depth gauge to preselect drilling depth for blind holes ACTIVCELL™: Patented intelligent battery and tool interaction, for maximum performance and battery protection Ergonomic design and softgrip for optimal comfort and control Constant speed ensures efficiency even under higher load Four functions: 1. Hammer drilling; 2. Hammer stop for regular drilling; 3. Rotation stop for light chiselling work; 4. Chiselling with free rotation for maximum freedom of movement Forward/reverse switch for easily changing the working direction of the tool Digital Brushless Motor: More power, more efficiency and 10x longer lifetime Variable speed ensures a gentle start and full control at all times ‘PWRASSIST™’: The USB adapter enables charging of mobile devices on the go ‘SDS+’ system for fast, easy bit changing SKIL ‘XP’: Exceptional performance through high specifications, advanced brushless motor and industry-leading battery technology Automatic ‘PWRJUMP™’: Charges from 0% to 15% in the first 5 minutes (4.0Ah battery / 100% in 50 min.) PWRCORE 20™: Industry-leading advanced battery technology, to power all SKIL ’20V Max’ tools KEEPCOOL™: The patented battery cooling technology that ensures up to 25% longer run time and 2x the lifetime LED light for a better sight of the workpiece and more comfortable working in poorly lit areas Vibration Reduction System ensures optimal working comfort and low vibrations Pneumatic hammer mechanism for drilling in concrete Lithium-Ion technology: no memory effect, no self-discharge and always ready for use