Three in one tower warning light , with more advanced technology, can display three different colors with just one layer, such as red, yellow, and green
High intensity LED signal light with low power consumption, can be viewed easily at a distance
Long lasting LED light-100000 hours lifespan, built-in buzzer-90db beep alarm, durable construction for long lasting use
These are Andon lights for use in factories or on industrial machinery. Typical uses are as Automated machinery status lights, operator signal lights, or as lean tower lights