This lamp from Philips Hue needs one bulb. This wall light is meant to be used outdoors and 8W is the maximum recommended wattage for bulbs.
Freemans
Philips Impress Hue WACA EU Large Wall Lantern - White
Conrad Electronic
Philips Lighting Hue LED outdoor wall light 17430/30/P7 Impress Built-in LED 16 W RGBW