Philips Hue's ceiling lamp has an IP20 rating. This ceiling flush light is intended for indoor use and recommended wattage for bulbs is maximum 6W.
From Amazon
Philips Hue Centris White and Colour Ambiance Smart Ceiling Cross Light Bar, 3x SpotLights [GU10 Spot] with Bluetooth, Black. Works with Alexa, Google Assistant and Apple HomeKit
Conrad Electronic
Philips Lighting Hue LED wall and ceiling light 5060830P7 Centris Cross GU10, Built-in LED 42.1 W