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  • Programmable LED Sign for Restaurant
  • 40x40 Programable LED Window Sign
  • 40x40 programmable LED window sign installation example
  • 40x40 Programable LED Window Sign
  • 40x40 Programable LED Window Sign
  • 40x40 Programable LED Window Sign
  • 40x40 Programable LED Window Sign
  • 40x40 Programable LED Window Sign
  • 40x40 Programable LED Window Sign
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BestLEDSigns

40" x 40" Programmable LED Window Sign

40" x 40" Programmable LED Window Sign

$2,400.00 USD
$4,949.95 USD $2,400.00 USD
Sale Sold out
Shipping calculated at checkout.
Display technology

🔥 Final Clearance – Blowout Sale on 10mm Window Signs

We’re clearing out our remaining 10mm LED window signs at a fraction of their original price (normally $4,950). These budget-friendly models still deliver excellent results for many applications — but inventory is limited. First come, first served.


40"x40" Programmable LED Window Sign (5mm High-Resolution)

Square, powerful, and perfectly visible from every angle.

Our 40"x40" LED window display is ideal for storefronts needing maximum impact in a compact square form. With its precision 5mm pixel pitch and ultra-bright full-color output, this sign delivers bold, high-definition visuals that capture attention from across the street — day or night.

Key Features:

  • Fully programmable: Show dynamic videos, images, animations, text, and more
  • High-brightness full-color display: Designed to shine through glass, glare, and sunlight
  • 170° wide viewing angle: Clear visibility from nearly any street-facing direction
  • Easy installation: Comes with hanging wires; supports square orientation for uniform branding
  • Custom content package: Includes 10 preloaded business-specific slides
  • Large media library access: Ready-to-use content for holidays, promotions, and more
  • Built for nonstop operation: Energy-efficient, commercial-grade design for 24/7 usage
  • 3-Year warranty + Live U.S. tech support: Get help from real people, not chatbots

💸 Financing Options

Launch your signage upgrade today with $0 down. We offer flexible financing and monthly payments. Call (205) 383-3313 to get pre-approved and discuss your project.

Whether you're in retail, food service, or professional services, this sign helps turn your storefront into a lead-generating asset.
Order today and stand out in a crowded marketplace.

How to Use

All our signs come with a free, easy-to-use program. Your sign can be changed from your PC, laptop, or phone.

We provide you with 10 slides for your business, and if you ever want them changed, we have tutorials available on our YouTube channel to show you how easy it is to customize the content on your sign.

Simply plug in your sign to any standard wall outlet, hang with the included hooks and be ready to take on more customers!

Warranty Information

All our window units come with the same 3 year gold parts warranty.
If your sign has any defects we ship you out the needed replacement part for completely free.

We also offer 24/7 tech support for the life of the sign

Specifications

All of our LED Window Signs meet the following specs
- 5mm, Full Color, High Resolution  (10mm available while supplies last)
-170 degree viewing angle
-8500 nits brightness (with adjustable brightness in the software)
-accepts all media files (any video, photo, gif, animation, text, etc.)
-251 trillion colors
-high refresh rate
-100,000 hr. LEDs ( 11 1/2 year LED life expectancy)
-3 year GOLD parts warranty
-Engineered, Designed, Assembled and Supported in the US (St. Louis, Mo. area)
-All modular construction with user replaceable parts
-Rear Serviceable
-Free tech support for the life of the sign
-Wireless communication
-Easy to program
- Pre-programmed (20+ slides custom made for your business)

Items Included

- 1x Window sign
- 1x Power cord
- 1x Wire hanging kit + screws
- 10x Included slides custom made for your business' ($500 value)
- Hundreds of photos, gifs, video's, for your industry and all occasions
- 3 Year Parts Warranty
- Tech Support for the life of the sign (from real people, no chat bots)
- Free content on how to program and install your sign

View full details

Customer Reviews

Based on 12 reviews
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J
Joshua
40x40

I bought this sign a while back for my business and the pictures don’t do it justice it looks way better in person and that 3 year warranty really does give peace of mind and the customer service is amazing 10/10 would recommend

C
Clint

Pictures really don't do it justice. It looks 10xs better in person. I would and have recommend a sign from these guys to any business owner

A
Aj's Barbershop

Hands down one of the best investments i have made for my business.

P
Pedro
Looks Incredible

the sign looks beautiful. i have videos and pictures of my menu items going 24/7 and it is greatly helping our business.

A
Addy's Bar & Grill
A huge increase in buisness

We purchased our sign 7 months ago. We have seen on average a 38% increase in our revenue since then with no other changes but the sign. We are looking into getting a larger 3x8 outdoor sign now from them.

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Questions? We’re Here to Help!

Email us at info@bestledsigns.com

Call us at (205) 383-3313

Will my sign be visible in direct sunlight?
Yes! Our signs are engineered with ultra-bright 8500-nit LEDs, ensuring full visibility even in direct sunlight.
What if my windows are tinted?
Our LED signs are bright enough to remain easily readable through even the darkest tinted windows.
How many messages can I display on my sign?
As many as you'd like! You can rotate messages as often or as little as you need using our fully programmable software.
Can I schedule messages in advance?
Yes! Our LED signs allow for advance scheduling, giving you the flexibility to plan your content ahead of time.
How long will my sign last?
Our signs are rated for 100,000 hours of use — that’s over 11 years of continuous operation at full brightness.
What if I need help with my sign?
We provide 24/7 U.S.-based tech support for the lifetime of your sign. Real people, no chatbots — whenever you need us.
Will my power bill increase significantly?
Not at all. Our LED window signs use about as much energy as two 70-watt light bulbs, making them highly energy-efficient.
How do I program my sign?
Programming is simple. We offer a complete guide on our YouTube channel that walks you through everything step by step.
Can I program my sign using my phone?
Yes! While we recommend using a Windows computer, we also have a mobile-friendly app that lets you update your sign from your phone.
Is installing the window sign difficult?
Not at all. Installation takes less than 15 minutes. Hanging wires are included, and our support team is always available if needed.
Can I move my window sign or take it to events?
Yes — our signs are lightweight and portable. Simply unscrew the wires and move the sign wherever you like, including to trade shows or pop-up events.
Can I adjust the height of my sign easily?
Yes. Just pull on both wires to raise the sign to your desired height. It’s fast and simple.
Is there a discount for purchasing multiple signs?
Yes — we offer volume discounts! Contact us with your order details and we’ll provide a custom quote.
What if there’s a defect with my sign?
If any part fails under warranty, we’ll ship you a replacement part at no cost. Your satisfaction is our priority.
What if I need to replace a faulty part?
Our signs are fully modular and easy to repair. If you can use a screwdriver, you can replace any part yourself. And our support team is here to guide you.

💵 Referral Program – Earn $100

Know someone who could use a programmable LED sign?
Refer them to us using this form, and if they purchase, we’ll mail you a $100 check as a thank-you!