TheTempur-Pedic Ergo Smart King Adjustable Base is an essential part of a holistic sleep systemWith features including adjustable legs under bed lighting and a USB port you can have a seamless sleep experience every night The wireless remote features one-touch preset buttons and backlit soft touch function keys so you can easily adjust in the dark Designed with a zero Gravity preset and child lock feature the base can elevate your head and feet to simulate weightlessness and help take pressure off your back while you sleep Quiet mode gently tilts your mattress to an anti-snore position for less nighttime disruption or let SnoreResponse do it automatically To top it all off the Ergo power base includes a 2-zone massage feature allowing you to unwind Available in various sizesstrongPlease note a king mattress requires two twin xl foundations sold separatelystrong