Using this Bobrick faucet is a breeze. Just wave your hands under the faucet, and the hidden sensor will detect your movement and start the water flow. The time-out duration is adjustable, so you can set how long the water runs. It's powered by 4 AA batteries, so make sure to replace them when they run out. There's an in - line filter to keep the water clean. When it comes to maintenance, you can perform line purging to clear any debris. Be aware that the sensor range is adaptable, so you can adjust it according to your needs. And if you want to be more eco - friendly, take advantage of the LEED flow - rate options.