Exclusive LED wall and ceiling light featuring a ring-shaped light element. It predominantly emits light with an indirect intensity distribution. Available in an emergency light version with a single battery system, nominal operating duration of 3 hours. Surface-mounted light for ceiling or wall installation. Can also be used as a recessed or semi-recessed light with appropriate accessories. The circular PMMA cover basin has a pronounced flat contour and a finely structured surface. With predominantly indirect light intensity distribution, shielding is provided by a primary louver. Optional recessed housings serve as additional enclosing secondary reflectors for the effective light-emitting part of the luminaires. Rated luminous flux is 1700 lm, rated power is 22.00 W, and the luminous efficacy of the luminaire is 77 lm/W. Light color is warm white, with a correlated color temperature (CCT) of 3000 K and a general color rendering index (CRI) of Ra > 80. Average rated lifespan L80(tq 25 °C) = 70,000 h, average rated lifespan L85(tq 25 °C) = 50,000 h. The light source is replaceable in accordance with eco-design requirements. The luminaire body is made of sheet steel. Surface is coated white (RAL 9016). Light diameter Ø 403 mm, height of luminaire 68 mm. Permissible ambient temperature (ta): 0 °C - +25 °C. Protection class (EN 61140): I, protection rating (DIN EN 60529): IP40, impact resistance grade according to IEC 62262: IK05, test temperature for glow wire test according to IEC 60695-2-11: 650 °C. Weight: 3.9 kg. Equipped with an electronic control gear, switchable. The control gear is replaceable in accordance with eco-design requirements. The product meets the essential requirements of applicable EU directives and the Product Safety Act and bears the CE marking.