Concealed, tub and shower or shower only pressure balancing mixer with battery operated, LCD temperature display for use in shower applications. Features a single AAA alkaline battery for up to four years of continuous life. Rugged, brass valve body construction with diaphragm-type pressure balancing mechanism. Cartridge components manufactured of Celcon to resist lime buildup and corrosion. Adjustable handle rotation stop reduces risk of handle overadjustment. Opens in cold water position to maximize bather safety. Battery and temperature display are housed in an easy-access, watertight enclosure.