LUBAN Led Signal Tower Stack Light The LUBAN Signal Tower Light can be used to track productivity, alert danger, indicate status etc.. With quality LED,it can emit continuous or flashing light while the bottom also features a built-in buzzer alarm for increased communication options.For typical use, green is normal status, while yellow indicates warning or abnormal, and red signals failure or emergency.Widely apply to equipment or machinery, in assembly lines or manufacturing floors, to indicate status. PRODUCT FEATURES -50000+hours lifespan LED light for durable use -super power-saving thanks to the high electri-light conversion efficiency -Built-in buzzer optional for extra sound alarm -Maximum 90db output,designed at a higher variable frequency to be heard above the noise of surrounding machinery Stack Light 01 Stack Light 02 Stack Light 03 Stack Light 04 Strobe Light Buying Options Buying Options Buying Options Buying Options Add to Cart Customer Reviews 4.2 out of 5 stars 50 — — 3.4 out of 5 stars 55 4.4 out of 5 stars 231 Price — no data — no data — no data — no data $15.99$15.99 Light Mode Steady Steady/Flash adjustable Steady/Flash adjustable Steady Strobe Light Source LED Bulbs LED chips LED chips LED chips LED chips Rated Voltage 12VDC/24VDC/110VAC 12-24VDC/110-220VAC 12-24VDC/110-220VAC 12VDC/110VAC 12VDC/24VDC/110VAC Sound optional optional optional optional optional Angle Adjustable NO YES YES NO NO