Lyle Signs is a leading manufacturer of traffic signs in the USA for over 100 years. This Lyle Enhanced sign is manufactured using 3M High Intensity Prismatic sheeting. The reflective sheeting meets ASTM D4956-09 Type III, Type IV, and ASTM D4956-07 Type X specifications. These signs are designed to last up to 10 years for indoor or outdoor applications. All Lyle Enhanced signs are made with radius corners for safety and have pre-drilled holes for easy installation. This sign is made using .080 thick treated aluminum that resists corrosion and rust. Lyle Signs has more than 10,000 stock colors available to you in various sizes, colors and materials. This Lyle Enhanced sign is intended to control traffic in a parking lot, on private property or on the roadway. The color is Red and Black on White. The legend is "Protected By Electronic Alarm System".