3mm Ultra-Thin COB LED Strip Light 12V High-Density Dimmable Linear Lighting for DIY Decor

Achieve sleek, seamless illumination in the tightest spaces with this 3mm Ultra-Thin COB LED Strip Light. Featuring a super-slim 3mm width profile and high-density Chip-on-Board (COB) technology with 400 LEDs per meter, this flexible tape light projects an unbroken linear beam free of harsh LED spots or light gaps. Available in multiple color temperatures (3000K Warm White, 4000K Neutral White, 6000K Cool White, and colorful options), it is fully dimmable to let you tune your ideal atmosphere. Operating on safe 12V low voltage, it is ideal for precise DIY architectural accents, slim cabinet grooves, shadow gaps, and custom lighting projects.

Key Features

• Ultra-Slim 3mm Width Profile: Micro-narrow design fits easily into tight cabinet channels, slim aluminum profiles, and micro shadow gaps.

• Seamless High-Density COB (400 LEDs/M): Eliminates hot spots and dotting to deliver a completely continuous, uniform light line.

• Multiple Color Temperatures & Dimmable: Choose from 3000K, 4000K, 6000K, or vibrant colors with smooth dimming control compatibility.

• Safe 12V Low-Voltage Operation: Low-thermal output construction ensures safe, energy-efficient performance for close-up DIY projects.

• Flexible Cuttable PCB: Bends smoothly around tight contours and cuts cleanly along designated markings for precise custom fitting.

Why Choose Our Ultra-Thin COB LED Strip Light

Standard LED strips are too wide for narrow channels, suffer from visible dotting, and generate uneven light. This 3mm ultra-thin COB tape light combines micro-narrow width, seamless 400 LED/m continuous output, 12V safe low voltage, full dimmability, and flexible cuttable construction—giving your cabinet grooves, accent display cases, micro coves, or custom DIY fixtures a clean, professional lighting upgrade.

Perfect For

• Illuminating narrow under-cabinet channels, floating shelf grooves, glass display cases, and jewelry frames

• Creating subtle shadow-gap lighting, recessed wall accents, stair step highlights, and mirror outlines

• Outfitting custom DIY lighting projects, model building, automotive interior accents, and commercial showcases

• Gifting as a specialized architectural lighting component for DIY enthusiasts and custom cabinetmakers

Specifications

• Product Title: 3mm Ultra-Thin COB LED Strip Light 12V High-Density Dimmable Linear Lighting for DIY Decor

• Strip Width: 3mm Micro Ultra-Thin Profile

• LED Density: 400 LEDs per Meter

• Voltage Rating: 12V DC Safe Low Voltage

• Color Options: 3000K Warm White, 4000K Neutral White, 6000K Cool White, and Vibrant Colors

• Features: 3mm Micro Width, Spot-Free COB Beam, Dimmable, 12V Low Voltage, Flexible Cuttable PCB

• Ideal Uses: Narrow Cabinet Grooves, Shelf Displays, Shadow Gaps, Precision DIY Lighting