I bought this drill several years ago.  It's corded drill of course and is very powerful.  It comes with a side handle which should be used because the drill is powerful enough to injure you if the drill should stick and twist.  As I recall there was a choice of keyed chuck or a non keyed chuck.  Mine has a keyed chuck and a drill this powerful should have a keyed chuck.  When I got mine they were still made in the US and mine is really a quality tool.  Unfortunately now they are made in China and I can't speak to the comparison between the older US made drills and the current Chinese made ones.