Working voltage (optional): DC 12V-24V, AC 110V-220V Signal Tower Light LUBAN Industrial Warning Light, CNC Machine Warning Light With Buzzer & Rotating Base, 4-Stage Signal Column With Continuous/Flashing Light, Red Yellow Green Signal Light 110V 220V LED Alarm Light 110V 220V In addition to industrial and manufacturing environment, they are also suitable for use in rescue and safety vehicles, construction sites, public areas, etc. Thanks to the prismatic cut design on the lampshade, which is made of PC, the light is evenly distributed and can be detected 360 degrees from a distance. Flexibility: the 180 degree rotating base provides flexibility during installation and application. The loud buzzer can reach 90 dB. The signal columns are often used in industrial and manufacturing environments to indicate the condition of machinery, problems, faults and hazard so that the faults can be quickly resolved and the safety of workers can be guaranteed. Visual and audible signalling: the signals can be displayed in the form of light modes and sound. Alarm sound (optional): No or yes: 90 dB , Protection level: IP54 , Lifespan: 100,000 hours. Industrial signal warning lights, column tower lamp andon lights with rotatable base, steady/flashing light switchable, 110V 220V AC(4-Layer, with Buzzer CNC Machine Flashing Signal Tower Warning Light - China CNC Machine... Wide application: the warning light is widely used in machine tools and mechanical equipment. machifit tb50 3t d j cnc machine warning lights led indicator alarm Package list: Warning light In addition to industrial environment, it can also be used in construction sites, security vehicles and public areas.