... span life. 3.magnetic steel 4.can be driven by low water pressure. micro generator for led shower,which can be driven by ... .104Mpa,and supply enough DC for the led in the shower head,making the led emit high brightness light,the shaft lever of generator ... small,and guarantee the long span-life of the led shower.1.material:new ABS,magnetic steel N35H,and stainless steel2.brass ...