Otennlux OLA2-301 Aluminum tower light with buzzer is our mature products, have about 10 years production experience,24v/100-277v is available.1color to 5 colors
Multiple Color signal tower light, can be controlled by computer USB
Otennlux our USB interface LED Tower Light. This light is controlled and powered via USB. This item is a versatile option for a computer controlled tower light.
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