... for 2012 5.penetration LS72x3W led aquarium light, X-Lens of penetration, module design,led aquarium round ... lighting, for corals, reef, pets Double Lens/X-lens(module design) as below1).High penetration/intensity, ... we take the professional X-lens, it's much better than 60 degree ... , one for white separately.7).Digital timers can be matched, simulate sunrise/sunset.