This shower toilet can also be used in environments without an outlet such as unit bath. Recommended for use in overseas bathrooms that do not have an electrical outlet or unit baths in rental property etc. This shower toilet is equipped with a twin nozzle, slow damper, and one-touch slide that does not require a power supply. It can be used with tight tank type and one-piece toilets made overseas, but it cannot be used with special hole diameter and tanklet type types. Please note that it does not release hot water.