For the five steps for to install your auto spout
*First: Remove the aerator from the faucet.
Make sure that the rubber washer is also remove.
*Second: Place adaptor inside the fix cap and put the rubber
washer on it.
Use flat wrench to mount it on.
*Third: Keep your hands dry and clean.
Draw out the battery box and put 4 triple A batteries
*Fourth: Snug firmly with hands and tight it on
*Fifth: And in order to add adaptor to auto spout.
Press the button for five seconds, until the green light
starts flashing, and wait for 5 seconds.
Turn on the water, and now you can wash your hands.