Parameter 1. Quantity: 384pcs 2. Lamp bead model: 2835 3. Brightness: 4000lm 4. White light colour temperature: 6500K 5. Warm white colour temperature: 2700K 6. Power: 1.2W-50W 7. Voltage: 85-22V 8. CRI: Ra> 95 9. Shell material: ABS + PC 10. Size: outer diameter 460mm, inner diameter 330mm