KING OR SPLIT KING: By combining two twin XL bases, you can create a split king adjustable base. Synchronize the two twin XL bases to form a complete king-size base SIMPLE ASSEMBLY: Our patent pending, innovative Quick SnapTM assembly, allows for hassle-free setup without needing any tools. In just under 5 minutes, you can unfold the base, attach the brackets underneath, install the legs, and connect the power cords DURABILITY: Sturdy steel construction, a premium motor for head and foot incline, and various massage options like wave, pulse, and constant vibration; rest easy with a 10-year warranty, covering manufacturing defects, and a 750-pound weight capacity