... Basic function)1. backrest:PVC material2. handle shower: chrome-plated ,plastic shower, a handheld adjustable showerhead that comes with ... several spray styles.3. top shower:chrome-plated ,plastic shower, resembles a tropical rainforest atmosphere.4. gimbal ... water jets, lights, ventilation fan, emergency, telephone, and ozone in the Steam Shower Unit. Simply press the desired function on ...