... heat dissipation. Make sure the lamp is more stable and long life-span.3, Luminous efficacy is over 100lm/W. High ... driver, Make sure the lamp is more stable and long life-span.10, Light source color: white (pure white and warm white ... Flux: ≥480lm.9, Warranty: 1 year. (used in normal condition).10, We accept OEM order.