A display device that can be mounted to a surface, such as a window, using static attraction. The display device has an illumination assembly circuit including a light source (such as an LED), a power supply (such as a battery) and a switch interposed therebetween. The illumination assembly is either attached to or enclosed within a mounting film, such as a flexible polymer that is electrostatically attracted to a surface. A preferred device has indicia printed on it to display, and with which the LEDs cooperate.