9*1w ledunderground light 1. Luminous flux: up to80-90 lumens for 1W LED 2. Low surface heating, less than 60° 3. Long lifespan: ≥50,000h 4. Brightness degradation: 3% 5% per 1000 hours 5. Warranty: 2 years 6. No UV or IR radiation 7. Energy saving 8. Environmental protection