Sunco Lighting 11W 4-inch ENERGY STAR UL-listed Dimmable LED Recessed Lighting Fixture Retrofit Downlight-4000K Cool White LED Ceiling Light -650LM, Title 24, ROHS, 5 Year Warranty #1 RATED IN LED RETROFITS DIMMABLE: compatible with most LED dimmers, using an internal driver, no external ballast or starter needed. Set the light to any mood you desire. EASY INSTALLATION: Comes with E26 base adapter and 2pcs flip mounting clips, fits most 4inch metal cans for retro-fit installation CONSERVE ENERGY: Using SUNCOS LED Recessed Lighting Retrofit can reduce energy use by as much as 90%. Improving energy efficiency can reduce emissions that contribute to global warming, mercury contamination in lakes, acid rain, and nuclear waste. Super BRIGHT light, SAVES energy, and LOWERS electric costs: 11W (40W Halogen Equivalency), LASTS over 32 years, SAVES $108 per lamp. CERTIFICATION: UL-LISTED and ENERGY STAR qualified, ROHS, and Meets T24 Requirements. Most states will not allow electricians or home owners to install LED lighting products that have not been tested by a certification laboratory. This UL LISTED LED bulb meets all regulatory requirements. The UL CERTIFICATION is indication of a superior quality product that has passed numerous tests before getting its approval. ENERGY STAR listed meets strict efficiency, quality, and lifetime criteria. BUY WITH CONFIDENCE: 5 YEAR WARRANTY. Reduce re-lamp frequency. Lifespan over 35,000 hours. One of the highest standard retrofits on the market; Preferred by most contractors and electricians. Guaranteed to have adhered the most demanding quality control procedures. EXCELLENT PERFORMANCE Artwork lighting, mood lighting, shop-windows, general lighting. Hotel, cafe or other architectural lighting. Living room lighting, dining room lighting, bedroom lighting. Ideal for illuminating homes, offices, workplaces and children&#039;s rooms. Screw Edison base adapter into socket in recessed housing Plug quick connect into base of LED retrofit Attach spring clips to LED retrofit to match your recessed housing size Squeeze spring clips and install retrofit in recessed housing