... Netual white: 3800k—4800k Cool white: 5500k—6500kColor Rendering Index: 80Beam Angle: 140 degree Driver Mode: Built-in constant ... white: 5500k—6500k FEATURES:This product adopts aluminium alloy lamp fixture, which makes its texture harder, weight lighter, heat ... —6500k. This product has high color rendering, color rendering index reaches 80, highly improved than the traditional fluorescent lamp, ...