Fins for heat dissipation extend lamp & ballast title Hinged lens frame is captive during relamping Silicone gasket for durable weatherproofing Hydroformed reflector is field adjustable to vertical or horizontal lamp positions Long life lamp included Precision die cast aluminum housing and lens frame with durable polyester powder coating EZ Grip locknut matches fixture finish and can be adjusted with fingers pliers or a screwdriver Lamp Info Type: ED17 Watts: 100W Hours: 15,000 Lamp Lumens: 9,000 Efficacy: 70 LPW Ballast Info Type: HX-HPF QT 120V: 1.2/1.2A 208V: .7/.7A 240V: .7/.8A 277V: .6/.5A Input Watts: 129W Efficiency: 78% Technical Specifications Listings UL Listing: Suitable for wet locations. Suitable for ground mounting. EISA 2007 Compliant: This product complies with the new law for metal halide ballast efficiency. This law goes into effect January 1st, 2008. Pulse Start offers Longer Lamp Life, Faster Startup and Faster Restrike. Construction Housing: Precision die cast aluminum. 1/2" NPS threaded arm with locking swivel. Reflector: Hydroformed aluminum. Field adjustable vertical or horizontal. Lens Gasket: High temperature tubular silicone set in die cast retaining groove remains in place during relamping. Lens Frame: Precision die cast aluminum. Hinged for easy access. Finish: Our environmentally friendly polyester powder coatings are formulated for high-durability and long-lasting color, and contains no VOC or toxic heavy metals. Ground Mounting: Use the new MPM19 PVC Mighty Post with aluminum cap for sturdy installation. Option: Quartz Restrike. EPA: 0.6 Electrical Socket: Porcelain 4kv Pulse Rated socket with nickel plated screw shell. Quad Tap: Fixture works with 120, 208, 240, and 277 volts. Photocell: /PC2 = 277V. Spec Sheet