1/2 inch interface. The ergonomic manage design is completely happy to carry with none effort. Press the button to release the water, the even round water hole forces more water into the management state. Easy set up Multifunctional use It isn't just supreme for bidets, but in addition for cloth diaper sprays, dog showers and potty cleaning. Heat insulation, anti-scalding, demanding to slide; quit rust, burst and leakage Removable and easy to clean. Installation: Wall Mounted Faucet Type: Bathroom or Toilet Colour: silver Material: 304 chrome steel Package Contents: 1 x hose 1 x faucet 1 x shower Only the above kit content, other products aren't included. Note: Light reflection and assorted displays can cause the color of the thing in the photograph somewhat varied from the real thing. The dimension allowed error is +/- 1-3cm.