LEDVANCE's lamp requires one bulb. This lamp is meant to be used outdoors, to light up your yard or driveway.
From Amazon
LEDVANCE SMART+ WI-FI BRICK RGBW 8.5cm- Dimmable LED Wall Light Dark Grey With Aluminium Housing, Square, RGB Colour Control, 14 W, 3000 Kelvin Warm White, 600 Lumen, IP44
Conrad Electronic
LEDVANCE SMART+ BRICK MULTICOLOR 4058075564367 LED outdoor wall light LED (monochrome) 14 W Dark grey