Underwater luminaire made stainless steel. Water pressure tight underwater floodlight with very shallow construction form for the illumination of ponds, water pools and water features up to a depth of 20 m. The floodlight must only be operated under water and must be protected against freezing in. To avoid damages on the surface of the floodlight, the water must have a neutral pH-value and should be free from metal attacking ingredients. IP68.IK08.