4" Pearl low voltage retrofit series is cULus classified for use in existing IC or Non-IC housings manufactured by Nora and others. The 4" retrofit luminaires deliver up to 950 lumens with filleted aperture which allows for minimal aperture brightness while still producing the nadir footcandles. Input Voltage: 12VAC Socket: GU5.3 Lumens / Wattage: 950lm / 11W Color Temperature: Comfort Dim (Warm Dim) Beam Spread: Three field changeable optics included Dimming: Triac or ELV Finish: White Listing: cULus classified for damp locations