Now you can enjoy the magic of multi-coloured lighting in your BiOrb at the touch of a button, simply choose your favourite colour or scroll through the entire spectrum of light.What\'s more, it includes an automatic setting which simulates a natural light cycle for your fish, an inbuilt timer phases the light through a 24 hour period from daylight to moonlight and back again.Simply choose from the 8, 10 and 12 hour daylight settings and the MCR light will do the rest, you can leave it running 24/7, so if you are late home or away on holiday your fish\'s routine is not disturbed.Suitable for all BiOrb CLASSICs (15l, 30l, 60l & 105l), TUBES (15l, 30l & 35l) and LIFE 15l.