Lithonia Lighting RV6 35/15 120 HSG 1500 Lumen 3500K LED Non-IC Retrofit 120V Downlight Housing, 6-Inch Energy efficient led technology allows you to save money on your energy bill Aluminum retrofit module that fits most existing housings 21w led; included Diffuse lens recessed in a reflector with a 55-degree cutoff are optically designed to maximize lumen output and to provide superior glare control 120 volt led driver