This base can tilt and bend to follow the lines of your body and movement for the best possible pressure relief. If you experience back pain, aching joints or muscle soreness this base can be positioned to provide support and ease tension. This adjustable base is massage free, has a wireless remote control, battery backup. The 230i is an Adjustable Split Base which means that the base is delivered in two individual boxes. Please be aware that not all mattresses are suitable for an adjustable base, we have made this easier for you by adding our adjustable icon to mattresses in our range which will work with this base.