The 4100-LR Series faucet is a single-hole deck mounted sensor faucet that provides a vandal resistant, low lead, no touch solution with ceramic hot/cold mixing and manual on/off adjustment that promotes better hygiene and energy savings.Designed to be easy to install and maintain, all major faucet components are encased above deck, making for easier access. The sensor included in this faucet is self adapting, meaning manual adjustments are not necessary.