1) Bulb type: T4 / T5 2) Base: G5 3) Color temp.: 6,400 / ... 4,000 / 2,700K 4) Uses tri-phosphor for coating T4 & T5 LightModel SpecificationPacking Voltage (V)Watt(W)Luminous Flux(Lm ... 6400 Red Blue True Green 34050147706002111009302815001225 Specifications: 1) Bulb type: T4 / T52) Base: G53) Color temp.: 6,400 / 4,000 / ... : white, red, yellow, green, blue.Color temperature:2700K-8000K. T4 & T5 Light