American Standard 4931380.002 Beale Single-Handle Pull Down Kitchen Faucet with Selectronic Hands-Free Technology, Polished Chrome Selectronic hands-free sensor allows you to operate the faucet without touching, and easily changes to manual mode when desired with a sliding sensor door Dock-tite spray-head docking system uses magnetic technology to ensure spray head stays in place while not in use Re-trax spray head retraction system ensures smooth pull-out, operation, and retraction of the spray head Integral check valves prevent back flow and cross flow Ceramic disc valve cartridges ensure a lifetime of drip-free performance