GROHE Ondus Digital basin mixer with display single hole installation advanced touch operating panel with backlit icons integrated digital display and intuitive menu navigation function unit integrated temperature sensor plug power supply 230 V AC / 6 V DC integrated battery back up 6V lithium-battery, type CR-P2 battery status indicator on display GROHE Ondus® flow straightener Push-open waste set 1 1/4" flexible connection hoses digital flow limiter programmable, automatic safety shut-off (with default setting) CE approved type of protection: faucet IP 66 plug power supply IP 40 battery unit IP 66 operating panel IP 69K upgrade option with pre set panel 45 983