Basin mixer tap operated by infrared sensor, powerd by 6V battery (external), solenoid valve external for easy installation under the basinProduct Details Company Name Idral S.p.a. Brand Name IDRAL S.p.A. Model Number 545.12 Maximum Flow Rate 6 l/min Category Basin Taps Product DescriptionBasin mixer tap operated by infrared sensor, powerd by 6V battery (external), solenoid valve external for easy installation under the basinAvailable In Italy Efficiency Rating ChartCompany name:Idral S.p.a.Model:545.12 6 l/min 401.62 kWh/p.a. www.uwla.eu