The Hi-Tech Lamps part number 20MR11FL36B/CG-U is a 20 watt (20W), 12 volt (12V) MR11 aluminum coated reflector halogen lamp made by Ushio. This lamp is made with an aluminum deposition coating to reduce heat emission out the back of the lamp. It is intended for enclosed or recessed fixtures where there is a risk of thermal damage to sockets and transformers. The aluminized coating also reduces the back spill of light through the rear of the reflector. Exterior colors are available to match a variety of fixture finishes. This lamp has a matte black exterior finish. This lamp has maximum overall length of 41mm (1.61in) and it has a cover glass. The average lifetime is 1500 hours. This lamp has a color temperature of 2900 Kelvin (2900K), and has an output of approximately 500 candelas (500cd). This lamp is also known as Ushio 20MR11/FL36/B/FG and 1003349.