This is a five-star faucet! I reviewed more than 25 faucets before deciding to purchase this one. After opening the box and seeing the faucet broken down in all it’s parts I sat down and read the installation directions; 21 steps! It was a very simple installation! Most of the work was removing the old faucet. I installed the unit in 30 minutes placing the battery pack near the cabinet door up out of the way and easy to access. I taped the socket to the inside of the cabinet with a note that it is needed for removal of the nut, when this becomes necessary. I also recommend the purchase of the AC adapter, which is sold separately. I have an outlet under the sink for the garbage disposal. Never change the batteries again.