1.130 degree actual viewing angle. 2It can be used in road corner, intersection ，parking lots etc in order to avoid accidents. 3.It can be used in supermarket, retail shop, bank, workshop匒llow for Reducing pilferage and vandalism in retail stores and monitoring of assembly lines, conveyors, robotic systems, and other industrial production operations. 4.Equipped with adjustable swivel and mounting bracket for infinite adjustment. 5.A variety of sizes and configurations to meet virtually any application requirement. Type: Polycarbonate or Acrylic