... ) Pressure control design: no electric, no battery Simple Water Bidet with dual nozzles.Easy DIY installation. Universal installation fits ... no battery. One nozzle to make body bidet.Two Knobs:One is to regulate water pressure, the other is to mix hot ... bidet, hose and other relative fittings.We have 4 professional units: brass unit, plastic unit, hose extrusion unit, package unit. Simple Water Bidet ...