5x1W LED spotlight, non-Dimmable 50W halogen lamp replacement D50*71mm, 5W, 500Lm,GU10 base, aluminium alloy and PMMA ... unique technology , lasting 5-7 years.So our LED tubes’ lifespan can reach 50,000 hours, ... light transmission rate at 92%.4. CREE LED , SSC LED and EDISON LED are available (Non-dimmable).5. No ... is the low light attenuation and high-bright LED, which the attenuation is less than 30% ...