875w Pulse Start Metal Halide Energy Saving Lighting Solution. Die cast aluminum housing with isolated ballast/wiring chambers. Integrally ballasted luminaire. 875-1500w metal halide, 1000w HPS. Lektrocote polyester finish. Precision optics with stainless steel lens ring assembly. Lamp support - protects against vibration. UL1598 listed to 40°C ambient operation.