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These are 5mm full-color RGB LED lamp beads with 4-pin common anode design. Adopting high-quality light-emitting chip, it features high brightness, soft light and stable color display. The standard 5mm round outline is easy for hole punching and soldering installation. With common anode pin definition, it is compatible with most control circuits and MCU driving. Perfect for production of color indicator lights, decorative atmosphere lamps, electronic models, teaching experiments and various creative lighting DIY projects.