Brumberg LUELLA MAXI 12425074. LED recessed downlight, TunableWhite, Round. Toolless ceiling installation by installation springs. Ceiling cut-out Ø 155 mm, Installation depth 52 mm, Outer diameter 171 mm, Weight 0,608 kg, with rotattionssymmetrical, deep, wide distributed light intensity. optimal light distribution due to a plastic, opal cover. Luminous flux 660 lm, Power 1 x 28 W, System Efficiency 24 lm/W, Light colour warm white to daylight white, Correlated color temprature (CCT) 2.700 - 6.000 K, Colour rendering index CRI > 80, Rated life time L70/B50 at 25 °C: 50000 h, Housing material: Aluminium / Polypropylene, Colour: White structure, Permissible ambient temperature (ta): -20 °C - +25 °C, Protection class (EN 61140): III, Degree of protection (DIN EN 60529): IP20. For connection to an external driver, which is not included in the scope of delivery of the luminaire. Depending on driver dimmable. BRUMBERG article number: 12425074 , GTIN: 4250047797265