with infrared sensor for bi-directional communication for monitoring, configuration and servicing 6 V lithium battery, type CR-P2 battery lifetime: approx. 7 years (150 actuations a day) GROHE StarLight finish metal housing exposed installation flow pressure min 0.5 bar operating pressure max 10 bar G 1/2'' with integrated stop valve flush pipe with rubber connector multistage battery status display 7 pre-set programs: auto flush cleaning mode pre-flush on/off additional functions and precise settings by remote control 36 407 adjustable flow time by hand or remote CE approved