Indoor Tunable White COB LED Strip Light
Smooth dot-free light with adjustable color temperature from 2700K to 6500K. Designed for hospitality, retail, residential, and architectural interiors where scene flexibility and visual quality both matter.
Why Buyers Choose Tunable White COB
The real value is not just "changing color temperature." It is reducing SKU pressure while giving projects more lighting flexibility — keeping one product family and letting the controller adjust the scene later.
One Strip, Multiple Scenes
Warm white supports relaxed evening atmosphere while cooler white supports task visibility, display clarity, and daytime function — from a single product platform.
Smoother Visual Quality
COB packaging creates continuous dot-free linear light. Especially important in shallow profiles, reflective surfaces, and premium interior details where visible hot spots are unacceptable.
Better Project Flexibility
If an interior team is still deciding the final lighting mood, tunable white keeps that decision open longer and reduces the risk of choosing the wrong fixed CCT before installation.
Typical Indoor Applications
This series fits indoor projects where buyers want both visual comfort and scene control across different times of day and usage modes.
Cabinet & Shelf Lighting
Useful where buyers want warmer display light for evening atmosphere and cooler white for daytime visibility — in wardrobes, shelves, showcases, and under-cabinet lighting.
Architectural Cove Lighting
Suitable for ceiling coves, recessed channels, wall details, and hospitality interiors where the same space shifts from functional lighting to mood lighting throughout the day.
Retail & Display Lighting
Helps stores test warmer or cooler presentation for different materials, packaging colors, and times of day without replacing the strip installation.
How to Select the Right Model
Four decisions that should be made together before placing a sample or bulk order.
Choose PCB Width by Installation Space
4mm models are useful where the profile is narrow and space is limited. 8mm and 10mm models are more standard for general architectural or furniture lighting where installation width is less restrictive.
Choose Voltage by Run Length
5V is useful for compact specialty systems. 12V and 24V are the more typical project choices. 24V usually gives better performance for longer runs with lower voltage drop issues.
Check Wattage Against Brightness Target
Do not compare wattage alone. Look at lumen-per-watt, total output, aluminum profile heat management, and controller capacity together before final selection.
Confirm Controller Compatibility Early
Tunable white strips require a matching CCT controller. Confirm voltage, output current, dimming protocol, and wiring method before purchasing the strip — not after.
The most common purchasing mistake with tunable white strips is treating the strip as a standalone product. In real projects, strip + power supply + controller + aluminum profile should be evaluated as one system, not as separate items.
Tunable White vs Fixed CCT: When to Choose Each
Both are valid choices. The decision depends on the project's flexibility needs, system budget, and whether the end user will actually use scene control.
| Decision Factor | Tunable White COB | Fixed CCT COB |
|---|---|---|
| Color temperature | 2700K–6500K adjustable | Fixed (e.g. 3000K or 4000K) |
| Controller required | Yes — CCT controller needed | Standard dimmer or no dimmer |
| Wiring complexity | Higher — 4-wire or 5-wire system | Lower — standard 2-wire system |
| System cost | Higher (strip + CCT controller) | Lower (strip only or basic dimmer) |
| Best fit projects | Hospitality, retail, residential mood lighting, flexible scene spaces | Offices, corridors, display cases, projects with fixed lighting target |
| SKU management | One SKU covers warm + cool needs | Separate SKUs per CCT required |
| End-user value | High when end user actively controls scenes | Sufficient when lighting mood is fixed |
If the project has a fixed lighting target that will never change, or if the end user will not actively use CCT adjustment, fixed CCT is usually the simpler and more cost-effective option. Tunable white adds value when scene flexibility is a real project requirement — not just a feature on a spec sheet.
Controller & System Considerations
Tunable white performance depends on the whole system — not just the strip. These are the most important matching points.
What Must Match
- ✓ Strip voltage must match controller and power supply voltage
- ✓ Controller current rating must cover the full connected load
- ✓ Dimming protocol should match project system — PWM, RF, WiFi, 0–10V, or DALI
- ✓ Wire size and run length should be checked to avoid voltage drop issues
What Buyers Often Miss
- ⚠ CCT appearance can shift after diffuser, channel depth, or reflective surface changes
- ⚠ Long runs may need power injection even if the strip technically lights up end to end
- ⚠ Controller selection affects user experience as much as strip quality does
- ⚠ High CRI matters more in retail, hospitality, and premium residential spaces than raw wattage
Full Specifications
Current model matrix for the indoor tunable white COB series. All models are IP20 indoor-use versions with CRI >90 and adjustable CCT.
Common Specifications
| LED Type | COB |
| LED Density | 576 LEDs/M |
| CCT Range | 2700K – 6500K (adjustable) |
| CRI | Ra >90 |
| Protection Rating | IP20 (Indoor) |
| Roll Length | 5M or 10M / Roll |
Environmental & Performance
| Working Temperature | -20℃ to +55℃ |
| Rated Lifespan | 30,000 hours |
| Indoor Use | Yes |
| Controller Required | Yes — CCT compatible |
| Cutting Method | Cut at marked intervals |
| PCB Width Options | 4mm / 8mm / 10mm |
Important: Tunable white strips require a compatible CCT controller. Color temperature cannot be adjusted without the correct control system in place.
| Item No. | Voltage | Watts/M | CCT | Lumen/W | CRI | LEDs/M | Working Temp | Lifespan | Board Width | Cut Length | M/Roll |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4mm Series | |||||||||||
| RH-COB-5V-4-CCT | 5V DC | 7W | 2700–6500K | 90–115 | >90 | 576 | -20~55℃ | 30,000h | 4mm | 27.78mm | 5M |
| RH-COB-12V-4-CCT | 12V DC | 7W | 2700–6500K | 90–115 | >90 | 576 | -20~55℃ | 30,000h | 4mm | 27.78mm | 5M |
| RH-COB-24V-4-CCT | 24V DC | 7 / 10W | 2700–6500K | 90–115 | >90 | 576 | -20~55℃ | 30,000h | 4mm | 27.78mm | 5M |
| 8mm Series | |||||||||||
| RH-COB-12V-8-CCT | 12V DC | 10W | 2700–6500K | 100–115 | >90 | 576 | -20~55℃ | 30,000h | 8mm | 27.78mm | 10M |
| RH-COB-24V-8-CCT | 24V DC | 10W | 2700–6500K | 100–115 | >90 | 576 | -20~55℃ | 30,000h | 8mm | 27.78mm | 10M |
| 10mm Series | |||||||||||
| RH-COB-12V-10-CCT | 12V DC | 10W | 2700–6500K | 100–115 | >90 | 576 | -20~55℃ | 30,000h | 10mm | 27.78mm | 10M |
| RH-COB-24V-10-CCT | 24V DC | 7.5 / 10 / 15 / 20W | 2700–6500K | 100–115 | >90 | 576 | -20~55℃ | 30,000h | 10mm | 27.78mm | 10M |
Installation & Procurement Notes
Before specifying or ordering, confirm these three points to avoid common project mistakes.
Indoor Use Only
This page covers indoor IP20 tunable white COB models. If the project needs moisture resistance or exposed outdoor installation, the product category should be reviewed separately.
Use Aluminum Profile
For better thermal management, cleaner installation, and more stable long-term performance, aluminum channels are often recommended — especially in premium projects with high-duty cycles.
Sample Before Bulk Order
For retail, hospitality, and mood-sensitive residential projects, test the strip with the actual controller, diffuser, and mounting profile before confirming volume purchase.
FAQ
Can tunable white COB replace fixed 3000K or 4000K strips? +
Does tunable white always mean better? +
What is the biggest buying risk with tunable white? +
Is this series suitable for visible linear lighting applications? +
Need Help Choosing the Right Tunable White COB Model?
Send us your installation width, voltage preference, run length, and target wattage. We can help you match the correct model and controller before sampling or bulk order.
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