The RSH Icon 100 Hand Shower features GROHE DreamSpray Technology. Intelligently engineered to reduce water consumption, GROHE DreamSpray distributes the water evenly to every nozzle for an unparalleled showering experience. This technology is supplemented by a dimmer function, allowing the user to reduce the amount of water used by up to 40 percent. GROHE CoolTouch technology ensures the handle never becomes too hot to hold. GROHE DreamSpray Technology SpeedClean Anti-Lime System.