Cree LR4E-15C 120V 3500K Moderate Recess 4" Recessed Architectural Downlight Performance Summary Utilizes Cree TrueWhite Technology 120V Moderate Recess 540 Delivered Lumens Nominal Input Power of 10.5W CCT = 3500K CRI = 90 Three Year Warranty H = 5.5" D = 4.75" Product Information Cree TrueWhite Technology A Better Way to Generate White Light That Utilizes a Patented Mixture of Unsaturated Yellow and Saturated Red LEDs. Tuned to Optimal Color Point Before Shipment. Color Management System Maintains Color Consistency Over Time and Temperature. Designed to Last 50,000 Hours and Maintain at Least 70% of Initial Lumen Output. Construction Ships in Three Cartons: 1. Recessed Architectural Housing with Rugged, Integral Extruded Aluminum Bar Hangers. 2. Light Engine with Retention Mechanism. 3. Architectural Reflector. Durable Cold Rolled Steel Housing and Extruded Aluminum Heat Sink Suitable for Insulated or Non-Insulated Ceilings. Integrated Thermal Management System Conducts Heat Away from LED and Transfers it to the Surrounding Environment. LED Junction Temperatures Stay Below Specified Maximums Even When Installed in Attic Insulation with Temperatures Exceeding 60 Degrees Celsius. Optical System Proprietary Optical System Utilizes a Unique Combination of Reflective and Refractive Optical Components to Achieve a Uniform, Comfortable Appearance. Pixelation and Direct View of Unshielded Led"s is Eliminated. Lower Reflector with 4.5" Aperture. Smooth, Non-Distracting Aperture Appearance with Lamp Visible Before Lamp Image. Electrical System Integral, High Efficiency Driver and Power Supply. Power Factor >0.9 Input Voltage = 120V, 60Hz Dimmable to 20% with Most Incandescent and Electronic Dimmers Installation Recessed Housing with Integral Nailer and Ceiling Grid Attachment Detail. Integral Bar- Hangers Accommodate Spans from 10-1/4" to 24-3/4" Without Sag. Adjustable Bar Hanger Brake Prevents Hangers from Sliding During Installation and H