1. The home style (constant current + iron bracket) is a rose gold lamp body, and the engineering style (constant current + copper bracket) is a gold lamp body 2. Stable light source, uniform light, safe and power saving, long-lasting durability 3. No video flashing, care for your eyes 4. The chip adopts anti-shock protection design to prevent accidental touch 5. LED lamp bead model: 2835 6. Number of LED lamp beads: 60-84 (pcs) 7. Color temperature: 3000-6000 (K) 8. Luminous flux: 700-1000 (lm) 9. Beam angle: 270 (degrees) 10. Color rendering index: 75 11. Lamp body material: aluminum 12. E27 screw port diameter is 2.7 cm, E14 screw port diameter is 1.4 cm