The Light Emitting Designs LED-4226 MR16 7W Dimmable 4 LED Hi Lumen Lamp in daylight (5500K) has a fully encapsulated, bi-pin mounting that integrates energy saving High Power LED technology into a standard, dimmable MR16 format. Equivalent to a 40W halogen light output, this lamp lasts up to 50,000 hours of lamp life. The 7W MR16 lamp has been designed to retrofit existing MR16 halogen installations, thereby reducing maintenance and energy expenditures - and as an energy saving light source for new fixtures and installations. Dimmable with Lutron MALV-600.Use for the following applications:Recessed lightingTask lightingAccent lightingRetail showcasesThis product is also available in warm white.Daylight DL (5500K)Compare to 40-Watt halogen light output4 on-board Hi Power Nichia LED diodesUp to 50,000 hour lamp lifeDimmable with Lutron MALV-600