Enjoy a fullbody massage and feel your tensions melt away. Engineered to transmit soothing waves throughout entire bedProvides headtotoe fullbody massage3 massage settingsErgonomic handleUnit fits between mattress and foundation or mattress topper and mattressWorks with most inner spring foam or air mattresses not recommended for water bedsFits twin full queen and standard king not split sizesPortable design; for home hotel sleeper truck or RVFeatures auto shutoff hand control 2 motors and DC power adaptors6 power cordLimited warranty