Material:AL Die Casting Work Voltage: AC(100-240V)/50-60HZ Power : 10W, 20W, 30W, 40W, 50W, 90W, 120W Power Factor (PF): >0.95 LED Efficiency: 100-110lm/W Power Efficiency: >86% Protection index:IP65 Led work voltage:DC32~36V Work temperature:-30℃~55℃ LED Life: >50000Hrs