Leadleds 21in WiFi Led Message Board Multicolor Smart Sign Wireless Led Billboard 1-4 Lines
Full Color / WiFi
$249.99
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SKU: LLDP4-F32128RGB
Leadleds 21in WiFi Led Message Board Multicolor Smart Sign Wireless Led Billboard 1-4 Lines
$249.99
Shipping calculated at checkout.
Order Handle Time: 5 ~ 7 business days, the shipping time is estimated at 3~ 7 days to arrive at your door.
Premium Warranty & Lifetime Technical Support
✓ 1-year parts replacement
✓ Lifetime Technical Support – Expert assistance
✓ Extended Maintenance – Continued service and support available after warranty expires
We stand behind our LED displays with comprehensive support—not just during the warranty, but for years to come.
Why thousands of customers choose Leadleds LED displays
✓ Premium Quality – Durable, high-brightness displays built to perform
✓ Lifetime Support – Expert technical assistance
✓ Proven Reliability – Trusted by businesses, schools, churches, and retailers
✓ Complete Warranty – 1-year parts replacement + ongoing maintenance
✓ Global Experience – Serving customers across multiple markets
✓ Custom Solutions – From single units to bulk B2B orders
Your investment. Our commitment. Long-term partnership.
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information, including the tracking number. Delivery times vary depending on your location.
Fullcolor LED Sign Display Board
WiFi Programmable scrolling information Multi-function LED screen with 32×128 pixels and 4096 bright LEDs for clear, vibrant displays.
By purchasing an LED sign LLDP4-4F32128RGB with cloud functionality, you'll enjoy the convenience of controlling it remotely.
Simply connect the LED sign to your router, and from the comfort of your home, log into your account at the web-based software to send your messages.
Your LED sign will automatically receive and display your messages.
Usage: Indoor, window, semi-outdoor
Pixels: 32 x 128
Pitch: 4 mm
Display color:
Multi-color, able to display monochrome, Bicolor, tricolor, 7 colors
Full color, able to display picture, video. etc.
Multi-color, able to display monochrome, Bicolor, tricolor, 7 colors
Full color, able to display picture, video. etc.
Signal input: By Wi-Fi, via your mobile phone sends your customized messages; By 4G Cloud, you can manage your messages even from the LED sign miles away.
Waterproof level: life-level waterproof, not for outdoor use.
Key Features:
User-Friendly Programming
Control your LED display with our intuitive mobile app. Customize messages, adjust display settings, and schedule content with ease.
Intuitive interface for easy programming
Color selection and text formatting tools
Message scheduling capabilities
Multi-Language Support
Display messages in multiple languages to reach a diverse audience. Perfect for international businesses and multicultural environments.
Supports English, Chinese, Spanish, and more
Adjustable font sizes for different scripts
Special character and symbol support
Dynamic Display Effects
Capture attention with various text effects and animations. Choose from multiple scrolling styles to make your message stand out.
Snow, spray, rotate, and scroll effects
Adjustable scrolling speed and direction
Flashing and static display options
One set includes:
1) 1x Digital LED Sign
2) 2x Mounting hardware
3) 1x Software/App and Manual
Applications
Retail Stores
Promote sales, highlight products, and display prices with eye-catching LED signs that attract customers.
Restaurants
Showcase daily specials, menu items, and promotions with vibrant, easily changeable displays.
Schools & Offices
Display announcements, schedules, and important information in high-traffic areas.
Healthcare
Show directions, waiting times, and health messages in hospitals and clinics.
Transportation
Display schedules, delays, and important notices in stations and terminals.
Home Use
Create personalized messages for holidays, events, or daily reminders in your home.
Frequently Asked Questions
Programming is simple with our free mobile app (available for iOS and Android). After connecting to your display via WiFi, you can create messages, choose colors, select animation effects, adjust speed, and schedule when messages should display. The app includes tutorials to help you get started.
If communicated by 4G Cloud, you can manage your messages even from the LED sign miles away.
Leadleds LED display supports multiple languages, including English, Spanish, French, German, Chinese, Japanese, and more. The character set includes special characters and symbols for most major languages.
This model is designed for indoor or semi-outdoor use (under eaves or covered areas). It has life-level waterproofing but is not rated for direct exposure to rain or harsh weather conditions. For fully outdoor use, we recommend Leadleds Outdoor series, which has higher waterproof ratings.
Each package includes: 1 LED display board, 1 power adapter (5V/2A), mounting brackets and hardware, and a quick start guide. The mobile app is available for free download from the App Store or Google Play.
Ready to Transform Your Business Signage?
Join thousands of satisfied customers who are using Leadleds LED displays to attract attention and communicate effectively.
Upgrade Program
Transfer Your Traditional Sign to Leadleds Programmable LED Signs
Eco-Friendly LED Technology:
• 70% more energy efficient than traditional displays
• Long lifespan reduces waste
• Low heat emission
Save money while reducing your environmental impact.
Customer Reviews & Testimonials
Trusted by Thousands:
"Best investment for our church. Easy to use and bright!" - Pastor John
"Excellent customer support." - Sarah, Retail Owner
Join our satisfied customers worldwide.
Our Story & Expertise
LED Display Specialists Since 2009:
• Serving businesses, schools, churches, and retailers globally
• 10,000+ installations worldwide
• Expert team with 10 years of combined experience
We don't just sell displays—we're your long-term partner in digital signage success.
Lifetime Support Included
Trusted by Businesses Globally
Premium LED Displays
Energy Efficient
Easy Installation & Setup
