Adaptation conditionsA. The size of the toilet from the center to the edge: no more than 20cmB. The distance between the centers of the two screw lock holes: 11cm-19cmC. Distance from the center of the screw lock hole to the toilet tank: greater than 3cmD. Distance from the center of the screw lock hole to the inner edge of the toilet: 5cm-9cmE. Minimum distance from toilet center to wall: 31cmNote: When the water pressure is 1kg, it can be usedInstallation direction: need to be installed on the left hand side, left hand operationMaterial: ABSFunction: water temperature adjustment, water pressure adjustment, nozzle self-cleaningPacking list:1 * Bidet Toilet Attachment1* 65CM stainless steel hose1 * 2 M long stainless steel hose2 * T-connector (full copper)1 * Metal Wrench1 * Plug4 * toilet seat gasketnotes:1. Our bidets are easy to install, no need to buy other accessories.2. The bidet is suitable for toilets where the tank is perpendicular to the toilet seat3. Not suitable for integrated toilet