Traditional single-deck design 11-layer Eucalyptus hardwood ply (superior to typical adjustable bed platforms, will resist warping, squeaking, and cracking) Charcoal grey upholstery fabric Visible matte black metal frame under the upholstered deck Wireless remote Backlit buttons for easy viewing at night 3 'AAA' batteries (included) Four programmable preset positions Zero-G® preset position One-touch flat preset position Anti-snore preset position Lounge preset position Full-range head & foot articulation Power outage protection (allows the adjustable base to return to the flat position in the event of a power outage or if you've misplaced the remote) Gravity release (for safety and comfort, Ergomotion bases lower to the flat position by simply resorting to gravity) Zero standby power system 750 lb (340 kg) lift capacity Round metal legs included 3" + 3" + 3" 3-in-1 design for multiple installation heights e4+ is a zero-clearance adjustable bed and may be used without the legs directly on the floor, in a bed frame or on a platform bed Additional leg styles are available for purchase or supply your own (standard furniture leg specification) Sized to fit virtually any standard bed frame, including beds with headboards and footboards Headboard brackets are an optional extra Chrome mattress foot retainer included (prevents the mattress from sliding off) Manufactured by ergomotion® Mattress sold separately