The Tempur-Ergo Extend is Tempur-Pedic's most elite power base with premium technologies. Combining premium technologies like the QuietMode™ and PerfectSeat™ technology to create the ultimate addition to a holistic sleep experience. This adjustable also features a raise head up to 57-degree and feet up to 40-degree for perfect support while sleeping, reading, watching TV or working, a one-touch preset buttons and backlit, soft-touch function keys so you can adjust in the dark, and four zone massage- two at the head and two at the feet- and three levels of intensify.