The Spectrum strong 135W / 5500k Energy Saving Light Spiral Bulb, which features E27 base and a light output equivalent to a 625W regular bulb. 5500k is the Kelvin Colour Temperature which is the closest equivalent to natural lighting. This prevents colour aberration. The colour rendering index of this bulb is 87 .

Supports all Illuminate Mate softboxes, Umbrella Continuous Lighting Kits, Starter Photography and Video Kits  and E27 screw fitting light holders.