As well as inserting screws, many cordless impact drivers have additional features which are designed to make certain DIY tasks much easier. These include:
LED work lights
For working in poorly-lit spaces.
Belt clip
Some models have a belt clip above the battery pack which allows you to attach the tool to your belt and keep it within reach when your hands are full.
Battery level indicator
Some cordless tools have an LED display which lets you know how much battery power you have left.
On-tool bit storage
Some cordless tools have a recess for holding screwdriver or drill bits. This keeps them handy and allows you to change between two bits quickly.
