Vista Professional Outdoor Lighting GR-2102-BSO-2.5-W-36 4-1/2" x 1-3/4" Old Brass Ground Mount Bullet 2.5W is a high-performance US made thermo-composite 2.5-watt MR11 LED lamp and available in 15°, 25°, 36° and 60° beam spread options. This low voltage up & accent fixture is constructed of heavy-gauge, extruded, solid brass for strength and reliability. The housing is equipped with an oversized silicone O-ring to protect against moisture and dust intrusion. At the base of the housing is a high temperature silicone diaphragm gasket. A clear, tempered, shock and heat-resistant, soda-lime glass lens safeguards the lamp and optics. Finished with a super durable polyester powder coat in Olde Brass.