This Arial Pro LED Integrated Fixed Downlight is equivalent to 2x26W fluorescents and is run on a tridonic driver. Cut-out diameter: 105mm. Recess depth: 88mm. Non- dimmable. White bezel is included. 50,000 hour lifespan. Ideal for home and office environments. 5 Year Guarantee included. Includes a quick fix connector - Tool free loop in / loop out terminals. Quick release connector for ease of insulation resistance testing.