High-quality thermostat cartridge which controls the temperature evenly and precisely More safety: a button on the handle only releases hot water when required and prevents the temperature from becoming too high (SafetyStop) The second handle allows you to conveniently switch between handheld shower and shower head and to control the water volume Built to last: Brass internal components compliment a polymer trim plate for a surface that is resistant to dents, chemical corrosion, and mineral accumulation Includes handles, sleeve, function block, escutcheon and shut-off/diverter valve Delightful luxury: the elegant surface in gold look sets a highlight and is particularly durable Required parts: This product requires the iBox Universal Plus Rough (Part No. 01850181) for Installation Installation notes: Hansgrohe recommends a licensed plumber install this product