The newest speaker style of Back-up Alarms from Velvac is available in a bright red, chemical resistant, high-impact housing to protect internal components. Inside, epoxy sealed solid state electronics assure trouble free operations and safe steam cleaning. These terminal mount units are designed with a universal flange and a self grounding strap. With an operating temperature range of -40 degrees to +185 degrees Fahrenheit, there's reliability in even the most extreme conditions. These Back-up Alarms serve a variety of vehicle applications, including pickups, buses, trailers, wreckers, dump trucks, loaders, cranes and more.