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 GROHE EcoJoy mousseur 5.7 l/min flexible connection hoses non-return valve dirt strainers with integrated solenoid valve external battery rapid installation system multistage battery status display 7 pre-set programs: auto flush thermal disinfection cleaning mode additional functions and precise settings by remote control 36 407 CE approved noise classification I in accordance with DIN 4109 type of protection faucet IP 59K min. recommended pressure 1.0 bar