SmartGlo.com is building smart, cloud-connected signs powered by sun, wind and kinetic energy. RealGlo is an amazing new solar-powered real estate sign designed to help you get more listings and attract more buyers. While other neighborhood signs are dark, RealGlo shines all night. Light up your personal brand. AerGlo is the world`s first magnetic car sign powered by sun, wind and motion. With AerGlo side-car you just attach and drive. The sign lights up at 15 mph and glows for up to 5 hours when you stop.