Key Specifications/Special Features: Product: LED fluorescent tube Power: 8, 10, 12, 18, 24, 28, and 36W LED quantity: 108, 144, 180, 288, 360, 432, and 576pcs LED type: Epistar SMD Lumen: 600, 760, 950, 1,550, 1,700, 2,250, and 2,950lm Size: 30 x 600, 30 x 900, 30 x 1,200, 30 x 1,500, 30 x 1,800, and 30 x 2,400mm Electrical parameters of LED tube: Frequency: 50 to 60Hz Power supply efficiency: >87% PFC: >0.95 Input voltage: 85 to 265V AC Optical parameters of LED tube: Luminance efficiency: >90% Color to rendering index: >84Ra LED efficiency: 90lm/W Color temperature: Warm white: 2,700 to 3,500K Pure white: 6,000 to 7,000K Natural white: 4,000 to 4,500K Other parameters of LED tube: Product patent: supported Operating temperature (humidity): -20 to 50°C (15 to 70%) Stock environment temperature: 0 to 45°C Main material: ABS + PC IP rating: IP40 Lifespan: 50,000 hours