The LL-504PGC2E-G5-2BE is a lighting ballast manufactured by Lucky Light. It is an electronic, high-efficiency, preheat, 600-volt, pulse-start, multipulse ballast. This ballast is designed to operate two T5-HO linear fluorescent lamps, of the same wattage, in a single-ended or series configuration. It features an overall power factor of 0.98, and has an operating temperature range of -15°F to 165°F (-25°C to 74°C). This model is UL and cUL listed and complies with FCC Part 18 requirements.