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Amazon.com: YJINGRUI LED Industrial Signal Tower Light 5 Layers Flash LED Light with Buzzer Alarm Warning Lamp for CNC Machines (DC24V) : Industrial & Scientific
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Red LED Buzzer 12V 19mm Alarm Indicator Light Lamp Stainless Steel Metal Signal Pilot 0.75"Mounting Hole with 85dB Sound J19-BZL: Amazon.com: Industrial & Scientific
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