The Grohe Euroeco Infra-Red Electronic Wall Mounted Basin Tap is an electronically controlled, battery-powered unit that requires a 6V lithium-battery in type CR-P2 for 7 years of use with approximately 150 actuations each day. Designed with a multi-stage battery display that helps you track your power consumption from the available battery power, this product also offers additional functions and precise settings that can be set via remote control which are optional. A metal-bodied, CE approved unit; this model also comes with a thermal disinfection mode that makes cleaning as easy as can be.