designer's own words:water-clock_for all tabs stop water polution where it starts. do you really know, how much water you consume? look at the water-clock and learn more about your habits. stop water polution where it starts. think and change your mind. the water-clock can be added to each tab. in the kitchen or in the bathroom. at the shower and at the bath-tub. the clock can be swiveld around the tab and around itself to bring it into to right position. the form without edges is gentle to handle and easy to clean. how to use: the clock can be screwed under the tab with the ring (a). the water turns a water-wheel in the cylinder (b). the end of the wheel-axis is supported in the clock-housing (c). there the roation is messured by an electronic device. the water consumption of the last month, week, day or last action can be viewed. to switch between the different informations just press the housing of the clock against the tab. if you press the clock for a longer time, the informations are shown upside down.