SPANSURE Yamaguchi v4 full body Thermal massage bed is fully automatic thermal massage bed with all latest features like Back side rollers – Leg side extra Jade Rollers With BODY HEIGHT Setting option + CARBON FIBRE HEATING PANEL for extra FAR INFRARED RAYS for fast recovery . Yamaguchi v4 full body massage bed. designed for Commercial as well as Home use. It is easy to use with automatic and manual modes.