How digital night vision works? 1WG650 Multifunctional Night Vision products collect existing light through the objective lens. 2The image is processed by a digital CMOS sensor module and then transmitted to a micro liquid crystal display (LCD). The image viewed on the LCD is magnified 6 times. 3WG650 Multifunctional Night Vision models are equipped with a built-in powerful IR (infrared) illuminator (D) that enables clear viewing in low ambient light conditions or even total darkness. 4WG650 multifunctional night vision device can also be used as a telescope during the day, and there is a crosshair in the center of the display screen for aiming and positioning.