Not affiliated with any manufacture......
Just an Evangelist for great toilet seats!

Washlet Features:
Features range from the basic, heat and spray...To  integrated charlcole filters for smell, Oscilation of spray, hard, soft spray, a blower/dryer and beyond.

The model I have has a built in energy mode that allows you to set the heat for the times you are most likely to "go".  There is even an automatic version that will "learn" your common useage and set those times for you.  The model I owned in Japan would raise and lower the seat by pressing a button on the remote control.  This way you don't have to touch the seat. (You still have to hold some things yourself). 
Washletremote

As you can see from this shot, the model I have, has a remote that is wall mounted.  This is a really nice feature if you have tight fit for any install.
Many of the seats have a seat mounted version that is both less expensive and is good alternative.


Here is a closer view: