1,thermostatic control valve. 2,zinc alloy surface,brass body. 3,keep the temperature of ... 2,The thermostatic mixer has a target temperature button and display actual temperature. when take a bath,It ... speaking, the battery can supply energy for one and a half years.7,Cartridge lifetime: no leakage ... after 200,000 times using and no leakage after 500,000 times using.8,Povide ...