DetailsOur bidet can provide a far more hygienic, fresher and more eco-friendly way than conventional toilet paper. Its retractable nozzle can keep itself clean to offer a worry-free personal cleaning. If you want to adjust the spraying water pressure, you can rotate the switch knob on the bidet panel to the left for a custom cleaning in five levels and when you rotate the switch knob to the right, the nozzle will enter into self-cleaning mode. Additionally, it is easy to install, no special tools required and detailed installation instruction included. And built-in two adjustable slide brackets to fit different toilet. *HYGIENIC RETRACTABLE NOZZLE - The retractable design of the nozzle is a user-friendly ideal to keep the nozzle clean and offer a worry-free personal cleaning. *ADJUSTABLE WATER PRESSURE - Rotate the switch knob to the left to adjust the spraying water pressure in 5 levels for a custom cleaning, non-electric. *NOZZLE SELF-CLEANING FUNCTION - Rotate the switch knob to th