I hesitated to spend the extra money on the hand waving technology but I am really glad I did; this thing is cool but also water saving and uber hygienic. Think of how many times you wash your hands in the process of preparing a meal; faucet on, faucet off, grab a paper towel, dry hands, turn water off. But with this, your icky hands don't need to touch the handle, right? As a person who works in the medical field, this is brilliant. We have had this technology for years in hospitals and medical offices. Why not at home? True confession; mine was just installed yesterday but I am already in love. I rest my case. Go for it! ( Mine was installed in the upper right hand corner of new sink/counter due to space restrictions. Turns out it affords more working space in the sink; bonus.)