Nordlux's ceiling flush light is manufactured from metal. This model is mainly intended for indoor use and 3W is the maximum recommended wattage for bulbs.
From Amazon
Nordlux 2112203003 Omari Deckenleuchte LED LED Fest eingebaut EEK: F (A - G) 16W Black
Conrad Electronic
Nordlux 2112203001 Omari Ceiling light LED (monochrome) Built-in LED 16 W White