With the Scrubbing Bubbles Automatic Shower Cleaner you?ve got a cleaning partner that takes care of the tough stuff for you. Simply touch the button and walk away?the dual sprayer spins 360 degrees to spray a penetrating cleaner on all four walls and tub. The formula prevents tough stains like mold & mildew and helps remove soap scum allowing you to wait to clean your shower for up to 30 days! A booster button provides even more shower cleaning power when you need it.