1.One touch to turn on, second touch to turn off 2.High water-saving rate ... 5.Easy DIY CharacristicConvenient to use, one touch to turn on, second touch to turn off.Red appears when the ... air to establish bubble water, no splash while rinsingOne touch tap was placed at the faucet spout. When ... the original faucet aerator and gasket then install our One Touch Tap to control water. Durable to use, can ...