Current USA Ramp Timer Pro Simulate natural sunrise, sunset, fading moonlight, create cloud cover and lightning storms - all from the comfort of your couch The Ramp Timer Pro is a fully programmable 24 hour LED lighting controller that not only turns your lights on and off, but also provides on-demand dynamic lighting effects Designed for both freshwater and marine aquariums, it's extremely simple to use and slowly acclimates animals to the bright light that LEDs produce