2PKS 165W Black Aquarium Coral Reef Tank LED Grow Light Growing Lamp Blue/White Ratio- 28:27 High Efficiency Dimmable One-Year Warranty withhigh quality chip Working Voltage AC 100V-265V Working current 630mA Lumens 4850 LM Wavelength nm Blue 460nm, White 14000K CRI &gt; 85 Power Factor &gt; .95 Emitting Color: white/blue 3 modes A. Blue on, White off; 60W B. Blue off, White on; 60W C. Blue on, White on: 120W Lighting Angle 120 degree Life Hours 5 years more LED Count 28*3W BlueLED, 27*3W White LED Dimmer Switch 2 from 1 0-100% light Power Switch 2 Lamp Body Material Iron+black paint, optic glass cover on the top to prevent the wet Size 16*8.5*2 inch Net Weight 10 lb Package Include 2 Aquarium Coral Reef Tank White Blue LED Grow Lights 165W 2 pcs Power Cord 2 Hooks Certification CE, FCC, RoHS