WS2815 12V RGB LED Pixels Strip Light Individually Addressable Dual Signal 1-5M | eBay
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 : Amazon.co.uk: Lighting
It seems this 12V addressable LED strip is using one shared resistor for all RGBW LEDs, but shouldn't there be at least 2 resistors due to different forward voltage for red LEDs? :
Flexible RGBW LED Strip (NeoPixel/WS2812/SK6812 compatible) - 60 LED/Metre | The Pi Hut
RGB Pixel LED Strip Programmable Magic Addressable LED Light Strip RGBW 12V 24V Ws2811 Ws2812b - China Addressable LED Strip, RGBW LED Strip Light | Made-in-China.com