The Milwaukee M18 ONEIWP12-0 ONE-KEY™ Fuel™ 1/2in Pin Detent Impact Wrench connects via Bluetooth™ with the Milwaukee® ONE-KEY™ app. 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. Milwaukee® DRIVE CONTROL™ offers 4 modes of operation, 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 over driving and damaging materials. Mode 4: No Load Speed: 0-2,000/Min, Impact Rate: 0-2,600, Torque: 0-120Nm. REDLINK PLUS™ intelligence system delivers the most advanced digital overload protection for tool and battery and uniquely enhances the tool performance under load. Individual battery cell monitoring optimises tool run time and ensures long term pack durability. It is fitted with a powerful Milwaukee® designed and built brushless POWERSTATE™ motor with an on board fuel gauge and an LED work light. Bare Unit, No Battery or Charger. Specification Bit Holder: 1/2in Pin Detent.No Load Speed: 0-1,700/0-2,000/0-2,500/min. Impact Rate: 0-2,400/0-2,600/0-3,100/bpm. Torque: 40/120/300Nm.Weight: 1.8kg.