Philips Hue's wall lamp uses one bulb. This model should be used outside and makes your home even more welcoming.
From OnBuy
Philips Hue Tuar White LED Smart Outdoor Wall Light, Works with Alexa, Google Assistant and Apple HomeKit
Conrad Electronic
Philips Lighting Hue Outdoor wall light 1740447P0 Tuar E-27 9.5 W Warm white