This lamp from Konstsmide uses two bulbs. This wall flush light is meant to be used outdoors and recommended wattage for bulbs is maximum 5W.
Wayfair
Anthracite 2 - Bulb 18Cm H Integrated LED Outdoor Flush Mount - white (18.0 H x 21.0 W x 13.0 D cm)
Zoro
Netlighting Monza Outdoor Modern Up Down Wall Light 2x 4.5W Led Dark Grey Inc. H