ComfortZone 90 spray type: shower spray maximum flow rate at 3 bar: 3,5 l/min temperature adjustable via mixer lever on the side with isolated water conduction - without contact with nickel and lead suitable for continous flow water heaters infrared sensor technology automatic environmental adjustment of infrared sensor adjustable optical range of infrared sensor (2 settings) 230 V / 50 Hz mains connection running time: 10 s hygiene rinse activatable (automatic water flow) frequency of hygiene rinse: 24 h flushing time hygiene rinse: 10 s permanent rinse activatable (single water flow for 180 seconds, suitable for thermal disinfection) cleaning mode: manual water stop for washbasin cleaning connection dimension: DN15 dirt filters in the connection hoses