VAIA Electronic washbasin mixer - Brushed Platinum With open/close function Without waste valve 167mm Projection Height 306 mm Height to aerator 221 mm Hole diameter 35 mm Stable spout Maximum flow rate 5.7 l/min Thermal disinfection Automatic shutdown after a set time Indirect temperature control (under the countertop) Control box included Adjustable sensor detection range Powered by batteries or plug-in power supply (batteries not included) 4x AA (1.5V) batteries 1x fitting M 8 x 1 pressure hose