The smart shower meter amphiro b1 displays the water temperature and also the water and energy consumption of each showering. You can pursue energy efficiency goals or simply get a sense for your personal resource utilization in the shower. The Amphiro app transmits your consumption data via Bluetooth 4.0 to your mobile device. For the installation of the amphiro b1 the shower hose is simply screwed into the short hose of the amphiro b1. The device is powered only by the water flow and does not use batteries.