Serta Motion Essentials IV Ergomotion Adjustable Base
Zero clearance.
USB charging outlets (1/side).
Convenient flat button.
Pre-set positions.
Weight capacity up to 650lbs.
Massage (head only).
Adjustable legs (3 in 1).
Retainer bar.
20 year warranty.
King mattress requires purchase of 2 Twin XL adjustable bases.
