Can 911 find your home when every second counts? Most homes are difficult to find at night, and that's when Night Vision numbers really stand out. These signs are very attractive and are highly visible both day and night. The numbers are brilliantly reflective. Your sign will be highly visible at night! The signs are constructed of weather resistant materials including powder-coated steel, engineer grade reflective, and high-impact polypropylene. Help enable ambulances, fire departments, patrol cars, cabs, and repair and delivery services find your home at night.