From Amazon
LEDVANCE Smart LED Garden Luminaire with ZigBee Technology, Extension Kit with 3 Garden Poles for Outside, RGB Colors Changeable, works with Alexa, Google and Hue, SMART+ ZB GARDEN POLE
Conrad Electronic
LEDVANCE Smart+ LED garden spotlight (expansion) 4 W
OnBuy
LEDVANCE Smart LED Garden Luminaire with ZigBee Technology, Extension Kit with 3 Garden Poles for Outside, RGB Colors Changeable, works with Alexa, Go