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Cool White LED Ring Light PCB - 70mm Diameter - 5V Power : ID 5138 : $8.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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MECCANIXITY Indicator LED Light 12V 16mm M16 Panel Mount Metal Waterproof Signal Lamp with O Ring for Machinery and Equipment, Blue Green Red White Yellow 1 Set: Amazon.com: Industrial & Scientific
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LED O-Ring Lamp with Scissor Arm for Amazing Mobile Phone Camera Photography FP12-26 – My Tech Shoppe
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LED O-Ring Lamp with Scissor Arm for Amazing Mobile Phone Camera Photography FP12-26 – My Tech Shoppe
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