HYG-700: Non electric hot / cold water under seat bidet washlet A premium quality product, hygienic and comfortable alternative to rough toilet paper when used alone can never get you truly clean. Keep clean and fresh all day with a soothing spray of fresh warm water Simple controls on the side of the unit enables water flow rate to be controlled, water temperature, as well as the angle of the spray / nozzle. Fits simply and and easily under the existing seat on an any standard toilet bowl. All the accessories are included such as hoses, connectors etc. Can be self installed with basic DIY skills, any doubts use a plumber.