A prefabricated stainless-steel guard booth that features bullet, bomb, and blast resistance was designed for U.S. government perimeter security. The Convincer from B.I.G. Enterprises, Inc., of South El Monte, California, employs specialized materials such as fiberglass composites and armor-plated steel. It also features a standing-seam dome roof, architectural louvers, electronic doors, and security lights. Electrical, mechanical, and cabinetry systems are also supplied. Booths can be built to specifications from Level 1 to NIJ-IV and .50-caliber armor piercing. The company can also obtain blast-resistant certification.