Hella's Optical Warning System (OWS) program is focused on the LED technology of tomorrow while still offering improved technology of yesterday and today. Hella can offer a product for everyone's needs, whether that is a rotating beacon or the newest LED technology and everything in between. Hella's OWS program features the K-LED, an LED beacon that uses free-form style light distribution; the UltraRAY, a Class I LED beacon that meets strobe class standards, and the OptiRAY, a Class II warning beacon available in amber and white.