From Amazon
LEDVANCE Smart WiFi A30 DIM 4,5W 827 230V FIL RGBW E27 4X1LEDV, Lead Free Glass, 4.8 W
Conrad Electronic
LEDVANCE 4058075777859 LED (monochrome) EEC F (A - G) E-27 Bulb shape 4.8 W = 40 W Warm white to cool white, RGB (Ø x H) 60 mm x 60 mm 1 pc(s)