Expensive but good to be able to find it.

perfect. arrived quickly. note that it is much taller than the one that comes in the starter kit so if you have the top screwed to the wall of the cabinet then this one will be on an angle.

Exactly what I needed for my faucet

Beautifully simplistically functional on demand water. I couldn't ask for more. The operation is smooth and fluid. The IOS app interface, not to much. In fact it's useless,