Base
The crank base option is the manual adjustment option and has a height range of 26"-43.625". The Motor 2 base option adjusts height with the push of a button and has the same range as the crank base, 26"-43.625". The Motor 3 option also adjusts height at the push of button and has a height range of 25"-51". Both Motor options are electrically powered and need to be plugged in to function.