This ceiling lamp from Philips Hue uses one bulb. This ceiling flush light should be used indoors and the bulbs should be no stronger than 28W.
From Amazon
Philips Hue NEW Aurelle White Ambiance Smart Lighting Round 24.5W Panel Light. With Bluetooth, Works with Alexa, Google Assistant and Apple Homekit
Philips Hue
Aurelle Hue Round Panel Light