The Pixel 4 XL Smartphone from Google is designed to provide a more intelligent and intuitive mobile experience. With a front NIR (Near-Infrared) flood emitter & dot projector, the Pixel 4 XL is capable of unlocking via facial recognition, even in extreme low-light environments. Additional sensors support Motion Sense for gesture control, and Ambient EQ to detect ambient light and automatically optimize the display to suit your environment.