The Gooseneck Touchless faucet with Insight™ technology and temperature mixer from Kohler is an AC-powered fixture that features an adaptive infrared sensor that gathers and analyzes the surrounding area upon installation. After recording these details, Insight calibrates the sensor to filter false triggers and optimize the faucet's operation. Made of durable brass construction, the Gooseneck Touchless faucet features a 0.5 gpm maximum flow rate and a vandal-resistant aerator.