High luminous efficacy-Up to 150 Lm/W. Input Voltage: AC120-277V?AC347-480V (50/60Hz). Instant illumination and restrike-no warm-up time required. Safe and reliable heat transfer-Offering a T-rating of T4A (CID2) / T5 (CIID1). Shock and vibration resistant-Durable LEDs with solderless board connection. Die-cast aluminum body and frame-corrosion resistant. All exposed fasteners with quality stainless steel.