Input voltage: 220(V) Number of LED beads: 2 Packaging technology: COB Brand of LED chip: Sanan Optoelectronics Color temperature: 3000k/4000k/6000k(K) Color rendering index: 80 Can you dim the light? No. Shell material: die-cast aluminum Life span: 20000(H) Size: 100*100*280(mm) Certification: 3c Protection grade: IP65