Federal Signal's model 121S is a compact, rotating warning light designed for in-plant use. It features a parabolic reflector which rotates around an incandescent lamp, providing 60 flashes per minute in all directions. The 121S Vitalite® is available in five dome colors: Amber, Blue, Clear, green and Red. Federal Signal's 121S comes ready to mount on a 1/2-inch NPT pipe or surface mount. Optional brackets simplify installation on walls or in corners. The enclosure is also rated type 4X for a water-tight and dust-tight seal. The lamp projects an intense, fixed beam onto a parabolic reflector which rotates 360, producing 60 flashes per minute. The 121 features a twist and lock dome which allows for fast and easy access to inspect and change the lamp. This light is particularly useful as a signaling or warning device in high ambient noise areas where it can supplement audible signaling devices. It is also effective alerting for hazardous conditions or dangerous areas. Federal Signal's Vitalite® is an economical rotating warning light for emergency warning or status indication in noisy areas.