p style="margin: 0px; text-align: justify;">The Articulated foundation or the PLUS model allows the user to only raise or lower the head and knee section of the bed electrically by a wired remote control or manually with a crank on manual SleepSafe Bed models. The Hi-Lo foundation on fully electric model allows the user to raise and lower the head and knee section of the bed and control the overall height of the mattress from the floor, electrically by a wired remote control. The same features can be controlled manually with a crank with our Manual Hi-Lo model.</p