can be displayed by the volume rate display 20 and the volume display 24 a temperature display 28 presents a third digital number that expresses the water temperature in fahrenheit centigrade or kelvin units a graphical bar display 22 presents the proportion of the targeted water volume that has been delivered the length of the bar display as presented by the graphical display 22 is proportionate to the targeted water volume programmed into the device 10 and presented on volume display 24 adjacent to the graphical bar display 22 is a target indicator 30 that illuminates when the targeted water volume has been delivered a clock display 26 presents a fourth digital number that indicates the current time of day other graphical forms can be presented by the graphical display 22 for example other graphical forms include columns filled in pie charts or numerical percentage or decimal fraction values an adjustment handle 17 controls water flow rates via a water flow valve inside the pipe 14 the user manipulates the adjustment handle 17 to adjust water flow rates the up increase or down decrease changes in the water flow rates are displayed in the volume rate display 20 as the user manipulates the adjustment handle 17 water delivered downstream of.