The Vevor touchless bathroom sink faucet uses an infrared sensor to start and stop water flow automatically for hands-free operation. Its chrome-plated zinc alloy construction is designed for durability and resistance to rust in humid bathroom environments. The faucet is battery operated and fits standard sink installations with a 9/16" hose connector. A honeycomb aerator helps soften the water stream and reduce splashing. It is suitable for commercial and residential restroom sink applications.