The shower head helps to save energy by throttling the amount of water and warn you to "too long" shower.
Anhabung and installation is very simple. Just be bolted to the shower hose. The water jet is a large area and feels good. In showerhead LED lamps are installed, the lights at the start showering green. After a few minutes they glow orange and then to remember it that you should soon stop showering to save Engergie. Then they glow red and remember it that you already showering really too long and for nightcaps captures the part then to rattle and to flash to show that it is much too long in the shower. Will rotate when short tap the cycle is not interrupted.
Cool way Engergiekosten to save and also the colored LED light fun. Criticisms there but for the rattle of the shower Kopfer, by the water pressure is a little generator powered by electricity for the LED to produce. Also you have to reglmäßig the shower head and remove, rinse as small sand particles in Leitungswsaser can clog the showerhead.