Lunasea Lighting COB Style High Output 450-520 Lumens LED Bulb Warm White. Utilizing the newest COB technologywe can offer beautiful light output without the harshness that the singledie LED's produced. Comes in both 2700K Very Warm or 5000K Natural light and both have a CRI of 80+. That means you will get more of the full spectrum light which will enhance your environment. Specifications for Lunasea Lighting COB Style High Output 450-520 Lumens LED Bulb: Manufacturer: Lunasea Lighting Light Type: Interior Color: Warm White Bulb Type: LED Package Contents: Lunasea Lighting COB Style High Output 450-520 Lumens LED Bulb Lunasea Lighting LLB-16CW-01-00: COB Style High Output 450-520 Lumens LED Bulb Warm White