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Industrial StackLights

Mallory Sonalert Industrial StackLights feature state-of-the-art brilliant LEDs with options for sound or no sound. These StackLights offer one to five stacks and pole or direct mount options. These Mallory Sonalert StackLights provide an opaque white lens and LED colors of red, yellow, green, blue, and white/clear. The sound versions feature a 2000Hz sound frequency and include four sound options: continuous, medium pulse (5pps), slow double pulse, and continuous tone for five seconds followed by a short pulse tone every one second.