Indoor COB LED Strip Series

Indoor Single Color
COB LED Strip Light

Continuous dot-free light output for cabinets, coves, shelves, retail displays, and architectural interior details. Available in narrow and standard PCB widths, with multiple voltage choices and both white-color and multi-color versions.

Dot-Free
CRI >90
480
LEDs/Meter
>90
CRI
2.7–30
Width (mm)
5–48V
Voltage
IP20
Indoor
4mm
Min Cut

Where This COB Series Fits Best

Interior lighting projects where uniform light quality matters more than decorative diffusion or very deep mounting profiles.

COB LED strip cabinet and shelf lighting application

Use narrow-width COB strips when the aluminum profile is slim and the viewing distance is short. Dot-free output helps avoid visible LED points on glossy surfaces.

COB LED strip architectural cove lighting application

For interior ceiling coves, reveals, and wall niches, 24V and 36V options help control voltage drop across longer runs while preserving a clean light line.

COB LED strip retail display lighting application

High CRI white versions are suitable for retail cabinets, cosmetic counters, jewelry showcases, and other displays where product color accuracy affects presentation.

Why Buyers Choose COB Instead of Standard SMD

The main reason is not only appearance. In many projects, COB strip reduces profile depth limitations, visible hotspot complaints, and rework caused by inconsistent light lines.

💡

Dot-Free Light Surface

With 480 LEDs per meter on the standard series, the light line appears much more continuous than standard SMD strips, especially in shallow profiles and short viewing distances.

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Narrow PCB Options

2.7mm and 4mm widths make this series useful for furniture grooves, slim cabinets, and mini aluminum channels where standard 8mm or 10mm strips will not fit.

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High CRI White Options

White-color models cover 2000K–6500K with CRI >90, which is the right direction for display lighting, hospitality interiors, and applications where color rendering matters.

Wide Voltage Range

From 3.7V and 5V for compact or specialty use, up to 24V, 36V, and 48V for longer run applications, this series gives buyers more flexibility in driver matching and run planning.

✂️

Short Cutting Intervals

Depending on model, cut length ranges from 12.5mm to 50mm, and the free-cutting series goes down to 4mm. That is useful when exact fit matters more than standard segment length.

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One Family, Many Build Options

Instead of mixing unrelated strip families, buyers can stay within one COB platform while changing PCB width, voltage, wattage, color type, and cut interval to match project needs.

Practical note: Buyers often choose COB for "better appearance," but the more important reason is reduced risk. COB can lower the chance of hotspots, poor profile fit, and visible segmentation that leads to client complaints after installation.

Choose the Right PCB Width

Board width is not just a size issue. It affects profile compatibility, power range, LED density options, and whether the strip is practical for the installation method.

2.7mm
Ultra narrow
  • • Tight furniture grooves
  • • Mini aluminum profiles
  • • 3.7V / 5V / 12V options
  • • Best when space is the first limit
4mm
Narrow standard
  • • Slim cabinet channels
  • • Display lighting details
  • • 5V / 12V / 24V options
  • • Better balance of fit and output
8mm
Mainstream spec
  • • Standard aluminum profiles
  • • Broader wattage choices
  • • 5V / 12V / 24V / 36V
  • • Good general-purpose indoor option
10mm+
Higher output range
  • • Standard and large channels
  • • More voltage options up to 48V
  • • Better for longer runs
  • • Useful when output matters more than compact size

How to Choose the Right Voltage

Voltage should be chosen based on run length, driver system, and installation logic — not only on what is easiest to source.

5V

Better for short runs, compact low-voltage systems, or special applications. Not ideal when longer continuous runs are needed.

12V

Common for furniture and cabinet work. Easier driver sourcing, but voltage drop becomes more noticeable over longer runs.

24V / 36V

Preferred for many commercial interior jobs. Better run performance and more practical for cove, display, and architectural lighting layouts.

48V

Useful when reducing voltage drop and power-feed count is important. Most suitable for longer runs with matching driver systems.

COB vs Standard SMD Strip

For indoor linear lighting, COB is usually selected when visual continuity matters. Standard SMD strip is still valid in some projects, but it solves a different problem.

Visual Difference

COB creates the cleaner visible light line

COB is normally selected when the strip or reflected light line is directly visible to the end user. If hotspot visibility would look cheap or unfinished, COB is usually the safer commercial choice.

Specification Difference

SMD still has a place when appearance is not the first priority

Standard SMD can still make sense when the profile depth is sufficient, the light source is concealed, and the project is more cost-driven than appearance-driven. The right choice depends on application, not trend.

Choose COB when:

  • • The light line is directly visible
  • • The channel depth is shallow
  • • The project is retail, hospitality, joinery, or display focused
  • • You want fewer complaints about hotspots and segmentation

Choose standard SMD when:

  • • The profile has enough depth and diffusion
  • • The light source is not directly viewed
  • • The project is more cost-sensitive than appearance-sensitive
  • • A standard SMD platform already matches the build system

Full Specifications

Below is the current model matrix for indoor single color COB series, including white-color models, multi-color models, and free-cutting options.

WC = White Color (2000K–6500K, CRI >90)  |  MC = Multi-color (red / blue / green / yellow / pink / purple)
Important: Board width and voltage should be checked together with cut length, driver plan, and installation channel dimensions before final selection.
Item No.VoltageWatts/MCCT / ColorLumen/WRaLEDs/MWorking ℃LifespanBoard WidthCutting LengthM/Roll
2.7mm Series
RH-COB-3.7V-2.7-WC3.7V DC5W2000-6500K100>90480-20~55℃300002.7mm25mm5M
RH-COB-3.7V-2.7-MC3.7V DC5WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃300002.7mm50mm5M
RH-COB-5V-2.7-WC5V DC5W2000-6500K100>90480-20~55℃300002.7mm25mm5M
RH-COB-5V-2.7-MC5V DC5WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃300002.7mm50mm5M
RH-COB-12V-2.7-WC12V DC5W2000-6500K100>90480-20~55℃300002.7mm25mm5M
RH-COB-12V-2.7-MC12V DC5WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃300002.7mm50mm5M
4mm Series
RH-COB-5V-4-WC5V DC5W2000-6500K60-120>90480-20~55℃300004mm12.5mm5M
RH-COB-5V-4-MC5V DC5WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃300004mm12.5mm5M
RH-COB-12V-4-WC12V DC5W2000-6500K60-120>90480-20~55℃300004mm25mm5M
RH-COB-12V-4-MC12V DC5WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃300004mm25mm5M
RH-COB-24V-4-WC24V DC5W2000-6500K60-120>90480-20~55℃300004mm50mm5M
RH-COB-24V-4-MC24V DC5WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃300004mm50mm5M
8mm Series
RH-COB-5V-8-WC5V DC5W2000-6500K80-140>90480-20~55℃300008mm12.5mm5M
RH-COB-5V-8-MC5V DC5WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃300008mm12.5mm5M
RH-COB-12V-8-WC12V DC5/10/15W2000-6500K80-140>90480-20~55℃300008mm25mm5M
RH-COB-12V-8-MC12V DC5/10/15WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃300008mm25mm5M
RH-COB-24V-8-WC24V DC5/10/15W2000-6500K80-140>90480-20~55℃300008mm50mm5M
RH-COB-24V-8-MC24V DC5/10/15WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃300008mm50mm5M
RH-COB-36V-8-WC36V DC5/10/15W2000-6500K80-140>90480-20~55℃300008mm50mm5M
RH-COB-36V-8-MC36V DC5/10/15WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃300008mm50mm5M
10mm Series
RH-COB-12V-10-WC12V DC5/10/15W2000-6500K80-140>90480-20~55℃3000010mm25mm5M
RH-COB-12V-10-MC12V DC5/10/15WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃3000010mm25mm5M
RH-COB-24V-10-WC24V DC5/10/15W2000-6500K80-140>90480-20~55℃3000010mm50mm5M
RH-COB-24V-10-MC24V DC5/10/15WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃3000010mm50mm5M
RH-COB-36V-10-WC36V DC5/10/15W2000-6500K80-140>90480-20~55℃3000010mm50mm5M
RH-COB-36V-10-MC36V DC5/10/15WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃3000010mm50mm5M
RH-COB-48V-10-WC48V DC5/10/15W2000-6500K80-140>90480-20~55℃3000010mm33.3mm5M
RH-COB-48V-10-MC48V DC5/10/15WRed / Blue / Green / Yellow / Pink / Purple20-100-480-20~55℃3000010mm33.3mm5M
Higher Output Series
RH-COB-24V-15-WC24V DC20W2000-6500K80-140>90640-20~55℃3000015mm50mm5M
RH-COB-24V-20-MC24V DC30WRed / Blue / Green / Yellow / Pink / Purple80-141>90960-20~55℃3000020mm50mm5M
RH-COB-24V-30-MC24V DC40WRed / Blue / Green / Yellow / Pink / Purple80-142>901600-20~55℃3000030mm25mm5M
Free Cutting Series
RH-COB-24V-5-WC-FC24V DC5W2000-6500K70-120>90544-20~55℃300005mm4mm5M
RH-COB-24V-5-MC-FC24V DC5WRed / Blue / Green / Yellow / Pink / Purple20-100-544-20~55℃300005mm4mm5M
RH-COB-24V-8-WC-FC24V DC10W2000-6500K70-120>90544-20~55℃300008mm4mm5M
RH-COB-24V-8-MC-FC24V DC10WRed / Blue / Green / Yellow / Pink / Purple20-100-544-20~55℃300008mm4mm5M

Common Specifications

LED TypeCOB
Standard LED Density480 LEDs/M
Higher Output Density544 / 640 / 960 / 1600 LEDs/M
Protection RatingIP20
Roll Length5M / Roll
White Color CCT Range2000K–6500K
CRIRa >90 (white models)
Working Temperature-20℃ to +55℃
Lifetime30,000 hours
Indoor UseYes

How to Choose the Right Model

Choose by installation space

If the profile or groove is narrow, start with 2.7mm or 4mm options. If you are working with standard aluminum channels, 8mm and 10mm models are usually more practical. If the application requires more output, wider boards such as 15mm, 20mm, or 30mm become more relevant.

Choose by run length

For short furniture runs, 5V and 12V can be workable. For longer cabinet lines, commercial interiors, or cove layouts, 24V, 36V, and 48V are generally easier to manage because they reduce visible voltage drop and power-feed complexity.

Choose by color requirement

If accurate object appearance matters, choose white-color models with CRI >90. If the project uses signal, brand, decorative, or special-tone lighting, choose the multi-color versions. White and multi-color models do not behave the same in efficacy, so they should not be treated as simple substitutes.

Choose by cut requirement

If exact length matching matters — for example in furniture production or custom fixture assembly — the free-cutting series with 4mm cutting intervals can reduce waste and fitting issues compared with conventional cut units.

Installation & Procurement Notes

Before specifying

  • • Confirm aluminum profile inside width before selecting PCB width.
  • • Confirm actual run length before locking voltage.
  • • Confirm whether the project needs white-color CRI performance or only color effect.
  • • Confirm cut-unit restrictions before ordering exact quantities.

Common buyer mistakes

  • • Choosing PCB width first without checking channel size tolerance.
  • • Using low-voltage short-run logic on longer continuous installations.
  • • Treating multi-color efficacy as equal to white-color efficacy.
  • • Ignoring cut interval until production or installation stage.

FAQ

Is COB always better than SMD?

Not always. COB is better when uniform light appearance matters. If the strip is hidden deeply inside a profile and cost is the first priority, standard SMD may still be acceptable.

Which voltage is most practical for indoor projects?

For many commercial indoor projects, 24V is the most balanced option. It helps reduce voltage drop while keeping driver sourcing straightforward.

What is the best board width for cabinets?

Usually 2.7mm or 4mm if the groove is very narrow, and 8mm if you are using a more standard cabinet or shelf profile. The right answer depends on the inside channel width.

When should I choose the free-cutting series?

Choose it when exact length control matters, especially in furniture production, custom fixture assembly, or projects where standard cut intervals create waste or alignment issues.

Are all models high CRI?

White-color models are specified at CRI >90. Multi-color versions are selected for color effect rather than CRI-based white-light rendering.

Can this series be used outdoors?

This page covers IP20 indoor versions. For outdoor use, buyers should select a properly protected waterproof strip system instead of treating indoor COB strip as field-convertible outdoor product.

Need Help Choosing the Right COB Model?

Send us your installation width, voltage preference, target wattage, and required CCT or color. We can help you match the correct model before sampling or mass order.

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