60" 3-Stage Dual-Motor Electric Stand Up DeskFeatures Electric push button control adjusts desk height from 26" to 51. 6" Programmable memory keypad with up down arrows store two preferred heights Sturdy steel frame with 256 lbs. lift capacity Two motor system with 1. 2" per second lift speed for smooth, fast and quiet height adjustment Anti collision mechanism prevents lowering the desk on top of objects in its path Three stage, telescoping leg system lifts heavier loads and allows lower and