Allows for complete tool customisation, allowing you to tune the tool to your needs. Configure to any application choosing optimum tool settings for repeatable precision. Save up to 4 custom settings to the tools memory for fast selection on the jobsite. Select from a range of application profiles or quickly create your own for perfect results on every trigger pull. ONE-KEY™ app also provides inventory function for total management of your complete tool/equipment fleet. Offers 4 modes of operation thanks to it\'s unique Milwaukee® DRIVE CONTROL™, which allows the user to shift into four different speed and torque settings to maximise application versatility. The 4 modes are: -Mode 1: For precision work.-Mode 2: Helps prevent damage to fasteners and material.-Mode 3: Delivers maximum performance for the toughest applications.-Mode 4: Intelligently detects when the tool has impacted on a fastener for one second automatically shutting the tool down, reducing overdriving and damaging materials. Mode 4: No Load Speed: 0-2,000/min, Impact Rate: 0-2,600, Torque: 0-120Nm.