The Toto T40 Washlet+ Aquia® IV two-piece elongated dual flush 1.28 and 0.9 GPF toilet and auto flush contemporary Washlet+ S7A bidet seat is designed to conceal the Washlet+ power cord and water supply hose for a seamless installation. The Washlet+ S7A features Toto's technologically advanced Ewater+ system that mists the wand and toilet bowl, reducing the need for harsh cleaning chemicals. Premist® wets the surface of the toilet bowl, aiding in the removal of waste and resulting in a better clean. The Toto Washlet+ S7A is operated by a luxury-style illuminated touch button remote with 4-user memory storage to save preferred settings. The Washlet+ features 5 spray settings, auto open and close lid, a heated seat, a nightlight, and instantaneous water heating. The redesigned Washlet+ lid style resides flush with the toilet bowl, providing a streamlined look and giving the impression of an integrated system. This minimalistic display provides a more subdued appearance to your Washlet+ and the skirted design conceals the trapway, which enhances the elegance and style of the toilet. The one-piece design is not only aesthetically pleasing but by removing the gap between the tank and bowl, we eliminate the hiding place for dirt and debris and minimize the frequency of cleanings. The Universal Height design allows for a more comfortable seat position across a wide range of users. The Aquia® IV features Toto’s DynamaxTornado Flush®, utilizing 360-degree cleaning power to reach every part of the bowl. This version of the Aquia® IV includes Cefiontect®, a layer of ceramic glaze that minimizes waste from sticking to ceramic surfaces. Cefiontect®, Ewater+, and Dynamax Tornado Flush® create a synergy that optimizes flush performance to reduce the frequency of toilet cleanings, minimizing the usage of water, harsh chemicals, and time required for cleaning. The enhanced design of the Aquia® IV inner bowl reduces water flow resistance and turbulence, resulting in a quieter flush. The new auto flush kit provides a hands-free automatic flush after every use. No need to touch buttons or handles, and never worry about someone forgetting to flush. The chrome center-mounted push button that sits atop the tank allows you to proactively conserve water. Additional items needed for installation must be purchased separately: Wax ring, toilet mounting bolts, and toilet water supply lines.