The Hi-Tech Lamps part number EXN/BLACK-U is a 50 watt (50W), 12 volt (12V) MR16 aluminized reflector halogen lamp made by Ushio. The uniform beam pattern of the Ushio Superline?? lamp is perfectly suited for wall washing and illuminating artwork, where the best quality of illumination is required. The multilense geometry of the reflector surface, in conjunction with an axial, computer-aligned filament eliminates ring-shaped shadows and black spot in the middle of the light pattern. It uniformly illuminates any surface to provide professional quality accent lighting through evenly distributed light. It combines an aluminum deposition reflector coating and a high temperature matte black decorative coating. This lamp has maximum overall length of 45mm (1.78in). The average lifetime is 3500 hours. This lamp has a color temperature of 3000 Kelvin (3000K), and has an output of approximately 1580 candelas (1580cd). This lamp is also known as Ushio EXN/B and 1000399.