reflexion by sealy boost 2 0 king adjustable baseImprove your sleep by pairing your mattress with this Reflexion by Sealy Boost 2. 0 adjustable base. Use the wireless remote to move your legs and upper body into the ideal snoozing position. Once you find your sweet spot, use the preset feature to save the position for the next night. When you're ready to get out of bed the next morning, just use the one touch flat function to level the bed so you can start your day. With zero wall clearance needed