I took it out of the box once to check the contents, but it's unused. Please refrain from purchasing if you are nervous, as it has been stored by a private individual. A powerful and refreshing shower head. By simply replacing it, you can save 50-70% of water usage. It provides a satisfying shower experience without making you feel like you're saving water. With the pressure-boosting effect, it can be used with optimal water pressure even in homes with low water pressure, such as high-rise apartments. The two-layer sprinkler plate creates a refreshing, strong water flow for an excellent shower experience. You can wash away dirt thoroughly with a feeling of satisfaction. Easily switch between water flow and stop with the hand switch. From this series, it is now possible to stop the water flow firmly even with low water pressure. Adjust the water-saving rate and water pressure freely. This is a water flow adjustment function that allows you to select the optimal water flow for your needs (soft water flow / hard water flow).