Works fantastic.
I add Listerine to the water before flossing, irrigating.  I like the middle and strongest stream.  The on/off button needs few secs hold in order to turn on or off but somehow it bothers me where it is because its where I hold the device.  Depending on the setting selected is the amount of water flowing out of your mouth and it gets all wet.  It is not perfect but it does a great job.  It brings different attachments for different needs. The higher the level the fastest the bowl will be empty.
Rating: 5 stars