SK6812 RGBW 60LEDS/M DC24V 10MM-Wide Digital Intelligent Addressable LED Strip Lights - 5m/16.4ft per roll [SK6812-RGBW-60W10-24V] - $54.98 :
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Ip20/67 Sk6812 12v Rgbw Led Strip Light(similar Ws2812b) 60leds Individual Addressable Rgbww Led Pixel Strip Lights - Led Strip - AliExpress
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Amazon.com: BTF-LIGHTING RGBW RGBWW Warm White SK6812 (Similar WS2812B) 16.4ft 5m 60leds/Pixels/m Individually Addressable Flexible 4 Color in 1 LED Dream Color LED Strip Non-Waterproof DC5V : Tools & Home Improvement