-Removable screw holder for one handed operation -Automatically change between bits with a simple slide action -Detachable and replaceable bit cartridge, customize to your needs -4V Max Lithium battery holds a charge for up to 12 months -Side-mounted switch allows you to operate in reverse -Retractable Screw Holder holds screws in place to allow single hand operation -Automatically change between bits with a simple pull of a slide -Detachable cartridge with 6 essential bits inside -Off-center driving axis design and Telescopic Holder to screw access in tight areas -Compact size perfect to carry it on-the-go -Forward and reverse function for greater control -Automatically spindle lock -Rubber over mould grip for comfortable to grip -LED battery capacity indicator for remind battery status at any time