Four temperature options : Spring, Summer, Fall and Winter. Obedient Jet: Valve system with Single Flow (water either only through main shower or only through hose end small shower). Angled jet (wet your head if you so wish). VT System (Total Flow Rate). Temperature Amplification Valve, more hot water for your satisfactory shower bath.   ABS Engineered Thermoplastic Body (thermal and electrical insulation). Selective Key for temperature change (gentle and precise actuation). Acclimatized and super reinforced resistance (longer durability).   Complete kit of easy installation together with instruction manual. Hygienic system hose (anti-adherent).   White Color 220V Voltage : 6.500 W 127V Voltage : 5.400 W   2 Years   Installation and Resistance Replacement Manual