Frameless LED panel. Dimmable: leading/trailing edge. Recessed ceiling light with tension springs. LED power: 21 / 18 / 15 / 12 watts. 4-way adjustable current/luminous flux: 2,050 / 1,750 / 1,450 / 1,150 lm. External control gear included. Permanently installed LEDs. Light ceiling illumination. For ceiling thicknesses up to 22 mm. Light source: LED. Diffuser: Opal disc. Color rendering: CRI>80. Housing material: die-cast aluminum. Impact resistance: IK08. Weight: 536 g