Pack of two 10 Watt LED bulbs (550 mm long) with a diffuser, which give a light level of between 2000 and 3750 Lux. The benefit of using LED tubes is more consistent light over the years compared with fluorescent tubes. These LED bulbs have a service life of 50,000 hours.

• Colour temperature: 4000 K
• Colour Rendering Index (CRI) Ra: greater than 80
• Luminous flux at 25 °C: 950 - 1150 Im

The same bulbs to be used for Apollo II (for transparent glass) as well as Apollo II High Intensity (for colour glass).