Product description: Power: 6w; Luminous flux: over 400 lm; Led qty: 120pcs; Voltage: 110-130v/ 200-240v; Dimension: d16x l550mm; Lifespan:50, 000hrs; Color: 3000-3500k(warm white); 4000-4500k (daylight white); 6000-6500k(cool white). Technical specifications: Product name: t5 fluorescent lamp mounting: t5 bi-pin Tube material: transparent pc or glass replaces: 12w Luminous flux: 400lm life span: 50, 000hrs Input voltage: ac120/ 230v(60hz) output watt: 6w Dimensions: ø16ßl550mm beam angle: 120p Light source: 120 leds kelvin temp.: warm white 3000-3500k; daylight 4000-4500k; cool white 6000-6500k Cri: 85ra lm/ watt: 67 *note: all specification info falls within 2% range. Weight: Lampú¦81.6g bracket;83.8g Lamp&bracket