Milwaukee M18ONEIWF 18v 1/2" Impact WrenchM18 FIW but with One-Key technologyConnect via Bluetooth with the Milwaukee One-Key appComplete tool customisation via One-Key app to tune the tool to your needsControl speed, torque, start and end speeds and LEDConfigure to any application choosing optimum tool settings for repeatable precisionProgram/save profiles for unmatched controlSelect from a range of application profiles or quickly create your own for perfect results on every trigger pullSave up to 4 custom settings to the tools memory for fast selection on the jobsiteOne-Key app also provides inventory function for total management of your complete tool/equipment fleet