GROHE SmartControl is easy to use: push for on/off, turn for volume adjustment GROHE EcoJoy uses less water without sacrificing performance GROHE StarLight maintains luster on brushed and polished finishes GROHE SafeStop override button allows you to set a maximum temperature of 100° F/38° C to prevent scalding GROHE QuickFix installation system requires fewer, less complicated parts to reduce installation time by as much as 50%