Rail system required. Each X4 Slider mounts one Illumagic X4 light onto a Dalua rail. You will also need a rail or rail-mounted system, sold separately. One slider per light. Slide your X4 right into place. The Dalua X4 Slider is the mounting shoe that locks a single Illumagic X4 reef light onto the Dalua rail system. Once it is on the rail, the light slides smoothly left or right so you can dial in coverage over your aquascape, then stays put where you set it. Building a longer tank or running multiple X4s? Add one slider per light and space them out along a single rail. Browse the rest of our aquarium lighting to complete the setup. Why rail-mount your light A rail turns light placement into a quick adjustment instead of a rebuild. Slide the fixture forward, back, or side to side to even out coverage, clear a hood or feeding spot, or reposition as your corals grow. It also keeps the top of the tank open and the wiring tidy, with no suspension cables overhead. Features Locks one Illumagic X4 securely onto a Dalua rail Glides along the rail for fast, repeatable positioning Add one slider per light to run several X4s on a single rail Keeps the tank top open with no hanging wires Purpose-built for the Illumagic rail system Specifications Compatibility Dalua Illumagic X4 LED light Mounts on Dalua / Illumagic rail system (sold separately) Quantity One slider, mounts one X4 light Use Freshwater and saltwater FAQ Does this include a rail? No. The slider is the mount that rides on the rail. You need a Dalua rail or rail-mounted system as well, sold separately. How many do I need? One slider per X4 light. Running two X4s on one rail means two sliders. Will it fit a Pixel or another brand of light? No. This slider is made specifically for the Illumagic X4. Can I still aim the light after it is mounted? Yes. The X4 keeps its own tilt, and the slider lets you move the whole fixture along the rail.
