The NEW TMC AquaRay - Multi Control.Dawn to dusk simulation. 2 channel fade-in, fade-out. Suitable for up to 8 x AquaBeam 500s or 4 x AquaBeam 1000/1500s or any combination. Easily create sunset, sunrise, daylight and moonlight phases. 2 channels, each timed independently (6 outputs timed separately from the other 2). Powers up to 8 AquaBeam lights with a single socket PSU. Built in Storm Function to encourage breeding in certain species. Internal battery ensures settings are saved in the event of a power failure. Helps to control nuisance algae by managing photo periods. Long cable for ease of use. Compatible with all AquaBeam products.