The ILED-FX-3528 120DW is a flexible LED strip built around the SMD 3528 package at 120 LEDs per meter, with a dual-white layout that lets you change the colour temperature. Instead of being locked to one fixed white, it mixes a warm channel and a cool channel so you can land anywhere in the 2800K to 6500K range on the same strip. That makes it the pick for spaces where you want the light to feel different in different areas, or to shift with the time of day.
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The strip runs on 12VDC or 24VDC, draws 9.6W per meter and puts out about 800 lumen per meter with a 120 degree spread. It covers 2800K to 6500K, colour rendering is CRI above 80 as standard and above 90 on request. Each piece ships as a 5 meter roll, 10mm wide, cuttable in 25mm steps.
What CCT changeable means
The DW stands for dual white. The strip carries two kinds of white LED, a warm one and a cool one, and the balance between them sets the temperature. Put more of the warm channel in and the light moves toward 2800K; more of the cool channel and it moves toward 6500K. In between you get a neutral, balanced white. This is not an RGB strip, it only mixes two whites, so you get a range of white tones rather than colours.
What you need to change the temperature
To actually shift the temperature you need a two-channel control setup, one for the warm channel and one for the cool, so you can mix them. A two-channel LED driver or dimmer that supports a dual-white strip is what you are looking for. If you only need one fixed temperature, you can run just the channel you want and keep the setup simple.
Dual voltage: 12V or 24V
You can have this strip on 12V or 24. A 12V version is simple and pairs with the small transformers used for short cove and cabinet runs. A 24V version drops less voltage down a long line, so it stays even over longer distances. Choose the voltage that fits your supply and the length of the run, and match the driver to it.
IP rating options
The same strip is offered in four protection ratings. IP20 is for dry indoor locations such as coves and cabinetry. IP65 handles covered outdoor and wet areas like eaves and facades. IP67 and IP68 are for where the strip gets fully wet or sits in harsh coastal air. Match the rating to the location, not the highest one on the list.
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The strip cuts cleanly in 25mm steps, so you trim it to fit instead of bending a longer piece. It is 10mm wide to fit the dual channel, so check your cove, channel or gap clears that width. It is backed with 3M yellow double-sided tape, and a 3M red tape is available on request. A 15cm input cable is fitted to the leading end, and connector cables can be customized to a different length or plug.
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Each order ships with the strip as a 5 meter roll, the 3M yellow mounting tape, and the 15cm input cable on the connection end. Custom lengths are cut to order from the same roll.
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You will need a power supply at 12VDC or 24VDC, matched to the strip version, sized for your total meters, which the 9.6W per meter figure makes easy to add up. To change the temperature you also need a two-channel driver or dimmer that suits a dual-white strip.
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Because one strip covers the whole white range, it suits rooms where different zones want different temperatures, a living space that should feel warm but a task area that should be bright, or a commercial space you want to tune. Outdoors the IP65 and above versions handle eaves, facades and garden edges.
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The SMD 3528 LEDs carry a 50,000 hour rated life, which at typical use is well past a decade. There are no moving parts and no fan, so the strip does not fail through heat. It works from -20 C to 50 C, and with a 24V supply and a properly sized driver the heat stays manageable even in a tight cove.
