Built for Commercial Brilliance
professional grade C7 / C9 LED Christmas light sets

Elevate your Christmas display with professional-grade C9 Christmas light sets and C7 Christmas light sets, featuring both classic faceted designs and smooth vintage finishes that deliver unmatched color vibrancy and industry-leading durability. Our premium C9 Christmas light sets and C7 Christmas light sets offer traditional colors plus exclusive unique color combinations like Champagne, Blue Taffy, and Cotton Candy—stunning color combinations you won't find anywhere else. Getting started is easy with these complete light sets: just add clips to create brilliant displays backed by our Reindeer Proof™ Warranty for years of reliable performance.

Not sure which bulb size fits your project? Read our guide: C7 vs C9 Christmas Lights: What's the Difference?

Picture of customer

“We chose the gold c9 [smooth] opaque bulb for our Christmas lights this year and we could not be more pleased with the color and speed in which the lights were shipped to us. We are in love with the soft gold color these gold bulbs give off. A truly unique glow in our neighborhood.”

5 star review. Leah L. / Texas

Picture of a nice, modern 2 story house exterior, shot from the front at a slight angle, 2 story house decorated with Christmas lights and garland lit up, shrubs lit up with warm white lights.

LED Christmas Light Sets

C9 Christmas Light Sets

C9 Faceted Christmas Light Sets

C9 Smooth Christmas Light Sets

C9 Twinkle Christmas Light Sets

C7 Christmas Light Sets

C7 Faceted Christmas Light Sets

C7 Smooth Christmas Light Sets

C7 Twinkle Christmas Light Sets

LED Christmas Light Sets by Color

Themed LED Christmas Light Sets

Warm White LED Christmas Light Sets

Cool White LED Christmas Light Sets

Multicolor LED Christmas Light Sets

Red LED Christmas Light Sets

Green LED Christmas Light Sets

Blue LED Christmas Light Sets

Orange/Amber LED Christmas Light Sets

Yellow/Gold LED Christmas Light Sets

Purple LED Christmas Light Sets

Pink LED Christmas Light Sets

Teal LED Christmas Light Sets

Your Complete Guide to C7 and C9 Christmas Light Bulbs

What's the Difference Between C7 and C9 Christmas Light Bulbs?

C7 and C9 bulbs differ primarily in size, base type, and applications:

  • C7 bulbs are smaller with a candelabra (E12) base
  • C9 bulbs are larger with an intermediate (E17) base
  • Both offer the same professional quality and energy efficiency, just in different scales

How Can I Tell C7 and C9 Bulbs Apart?

Size is the easiest way to distinguish them:

  • C7 bulbs fit comfortably in your palm - about the size of a long grape
  • C9 bulbs are significantly larger - about the size of a long strawberry
  • Base comparison: C7 has a smaller screw base (E12), C9 has a larger screw base (E17)
  • Visual impact: C9 bulbs are much more prominent and visible from a distance

Specific Dimensions

C7 Christmas Light Bulbs

  • Length: Approximately 1 inch
  • Width: About 0.5 inches at the base
  • Base: E12 (candelabra) - 12mm diameter
  • Shape: Classic cone/strawberry shape, but more compact

C9 Christmas Light Bulbs

  • Length: Approximately 2.25 inches long
  • Width: About 0.75 inches at the base
  • Base: E17 (intermediate) - 17mm diameter
  • Shape: Large, bold cone/strawberry shape - the "undisputed rockstars of holiday lighting"

Unique Features of C7 and C9 LED Christmas Light Bulbs

  • C7 Christmas Light Bulbs - The Versatile Choice
  • C9 Christmas Light Bulbs - The Bold Statement Makers
  • Dimmable options available for mood lighting and controller compatible - perfect for use with chase controllers, animations controllers, and light shows
  • Cool-touch LED technology - safe for indoor or outdoor use
  • Energy efficient - up to 90% energy savings over incandescent
  • Available in faceted and smooth finishes
  • C9 for Maximum visibility - can be seen from great distances for professional impact that creates a crisp, bold glow.
  • C7 has perfect scale for detailed work and accent lighting
  • Weather resistant - designed for outdoor use in all conditions
  • Faceted lenses sparkle like diamonds
  • Smooth bulbs offer classic vintage painted look
  • Exclusive colors like Champagne, Blue Taffy, and Cotton Candy

The Most Common Uses

C7 Christmas Light Bulbs Excel At:

  • Pathway lighting - perfect for walkways and driveways
  • Accent lighting - highlighting smaller architectural features
  • Indoor applications - mantles, stair railings, doorframes
  • Detailed work - outlining windows, small trees, bushes
  • Intimate settings - creating cozy, warm atmospheres
  • Smaller structures - sheds, gazebos, porches

C9 Christmas Light Bulbs Are Perfect For:

  • Roofline outlining - make your roof "pop against the winter sky"
  • Large tree wrapping - visible impact on big trees
  • Commercial displays - businesses and large properties
  • Perimeter lighting - defining large areas and boundaries
  • Statement pieces - when you want maximum visual impact
  • Long-distance visibility - displays meant to be seen from far away

Pro Tips for Choosing the Right Bulbs

Choose C7 Bulbs When:

  • You want elegant, refined lighting
  • Working with smaller spaces or detailed applications
  • Creating intimate, cozy atmospheres
  • Budget is a consideration (typically less expensive per bulb)

Choose C9 Bulbs When:

  • You want bold, dramatic impact
  • Lighting large areas or tall structures
  • Creating displays visible from the street

Wire and Spacing Recommendations for C7 and C9 Christmas Light Bulbs

C7 Light Sets

  • Standard spacing: 6 inches between bulbs (12 inches is also common)
  • Wire options: Green (blends with foliage) or white (light backgrounds)
  • Typical string length: 25 feet with 25 bulbs is the most common and provides the most flexibility with the easiest installation

C9 Light Sets

  • Standard spacing: 12 inches between bulbs is the most common, but 6, 15, 18 and even 24 inches are widely available and not uncommon
  • Wire options: Green or white to match your backdrop
  • Typical string length: 25 feet with 25 bulbs is the most common and provides the most flexibility with the easiest installation

The Christmas Light Emporium Advantage

All Our C7 and C9 LED Bulbs and Christmas Light Sets Feature:

  • Reindeer Proof™ Warranty for peace of mind
  • Professional-grade quality built to last for years
  • Exclusive color combinations you can't find elsewhere
  • Up to 90% energy savings compared to traditional incandescent
  • Expert support - we're here to help you create the perfect display!

Ready to get started? Just add clips and transform your space with our ProCore C7 and C9 LED Christmas light sets! 🎄✨


Have more questions? Contact our lighting experts at 1-888-444-XMAS or help@thechristmaslightemporium.com

Picture of a C7 faceted white lens bulbs and a C9 faceted white lens bulbs on a dark green background

What's the Difference Between Smooth (Opaque) and Faceted Lens Finishes on C7 & C9 Christmas Light Bulbs?

Understanding Lens Finish Options

When choosing your ProCore C7 and C9 LED Christmas light bulbs, you'll encounter two distinct lens finish options that dramatically affect both the appearance and light distribution of your holiday display.

Faceted Lens Finish

What it is: Faceted lenses feature multiple angled surfaces cut into the bulb, creating a diamond-like geometric pattern across the entire lens surface.

Light Performance:

  • Sparkles like diamonds - each facet catches and reflects light differently
  • Creates brilliant, multi-directional light dispersion
  • Enhanced brightness perception due to light refraction through multiple surfaces
  • Dynamic visual effect - appears to twinkle and shimmer naturally

Best Applications:

  • Roofline outlining where maximum visibility and impact are desired
  • Commercial displays requiring professional, eye-catching appearance
  • Large outdoor installations where the sparkle effect enhances curb appeal
  • Any application where you want that premium, jewelry-like brilliance
Picture of 5 faceted C9 bulbs (red, blue, green, orange and yellow) with the text 'Faceted' above them and to their right is a pile of smooth opaque lens c9 bulbs (red, green, blue, yellow, orange) with the text 'Smooth' center above them
Comparison table of faceted versus smooth lens finishes. Light effect: brilliant multi-directional sparkle (faceted) versus soft even glow (smooth). Visual style: modern, professional, diamond-like versus classic, vintage, traditional. Brightness perception: enhanced due to refraction versus natural true-to-color. Best distance viewing: excellent for long-distance visibility versus perfect for close-up applications. Aesthetic: contemporary and eye-catching versus timeless and nostalgic.

Smooth Opaque Lens Finish

What it is: Smooth lenses have a uniform, even surface that mimics the classic look of traditional painted incandescent Christmas light bulbs.

Light Performance:

  • Soft, even light distribution without harsh reflections
  • Vintage painted bulb appearance - looks like traditional holiday lighting
  • Warm, nostalgic glow that creates cozy atmospheres
  • Consistent color saturation across the entire bulb surface

Best Applications:

  • Traditional holiday displays where classic aesthetics are preferred
  • Indoor applications like mantles, stair railings, and intimate settings
  • Pathway lighting where gentle, even illumination is desired
  • Vintage-themed decorations that complement traditional holiday décor

Which Should You Choose?

Choose Faceted Lenses when:

  • You want maximum visual impact and curb appeal
  • Creating displays meant to be seen from a distance
  • Looking for that professional, commercial-grade appearance
  • Prefer modern, brilliant lighting effects

Choose Smooth Lenses when:

  • You love the classic, traditional Christmas light look
  • Creating intimate, cozy holiday atmospheres
  • Want even, consistent light distribution
  • Prefer vintage or nostalgic holiday aesthetics

The Christmas Light Emporium Advantage

Both our faceted and smooth lens ProCore C7 and C9 LED bulbs feature:

  • Same professional-grade quality and durability
  • Identical energy efficiency - 90% energy savings
  • Cool-touch LED technology for safe operation
  • Reindeer Proof™ Warranty protection
  • Exclusive color options like Champagne, Blue Taffy, and Cotton Candy
  • Available in both C7 and C9 sizes for any application

Pro Tip: Many of our customers mix both finishes in their displays - using faceted bulbs for high-impact areas like rooflines and smooth bulbs for accent lighting and pathways. This creates beautiful depth and visual interest throughout their holiday decorating!

Ready to create your perfect display? Both lens finishes are available in our complete range of ProCore C7 and C9 LED Christmas light sets! 🎄✨

Who Nose Lights Better Than Rudolph?

Rudolph's Christmas Tree Light String Calculator can help you
determine how many light strings you will need for your tree.

CALCULATE

Smiles + Joy + Memories = Hope

This is the equation we absolutely live by every single day. We know that Christmas decorating makes people smile and brings pure joy while creating memories that last forever. These combined effects give people hope, and honestly, that's what it's all about. Lighting is pure magic—it's the twinkle in the eyes of people of all ages that makes everything worthwhile. THAT is what we call hope with a capital H!

Learn More

Make Memories. Create Smiles.

We help you create smiles in the moment and memories that last a lifetime—seriously, that's what gets us up in the morning!

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We absolutely believe that if we create as many smiles, spread as much joy, develop as many memories, and share the gift of hope with as many people as possible, our world will be a far better place. It's not just business—it's our mission!

Illustration of a Christmas light bulb inside of wreath with a red bow and the text

Life is already complicated enough and decorating should be pure fun! We help you make your sometimes overwhelming projects easy and totally enjoyable—because stress and holiday decorating don't mix!

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Every single product we sell is quality checked by our hardworking elves and backed by our famous Reindeer Proof™ Warranty that covers you no matter what happens!