Features of YS-M99311 Waterproof Mini LED Module
1.Aluminum PCB for Reliable Heat Dissipation
Built with a dedicated aluminum PCB board, this LED module features excellent thermal conductivity and heat dissipation. It prevents overheating even during continuous 24/7 operation, making it ideal for back lit letter signs that require long hours of stable illumination without light decay.
2.IP67 Waterproof for All-Weather Front/Back Lit Signs
Boasts an IP67 waterproof rating thanks to its integrated injection molding housing. The fully sealed design protects internal components from water, dust, and moisture, so you can use it for both indoor and outdoor front lit/back lit letter signs without worrying about weather damage.
3.Anti-UV Construction for Long-Lasting Sign Performance
The flame-retardant plastic shell is anti-UV and weather-resistant, with strong tolerance to harsh outdoor conditions. It won’t yellow or discolor over time, keeping your front lit and back lit letter signs looking vibrant and professional for years.
4.CE/RoHS Certified, 5-Year Warranty
This YS-M99311 LED module is fully CE and RoHS certified, meeting international safety standards. It comes with a 5-year warranty (or 10,000 hours), providing reliable quality assurance for long-term commercial sign projects.
YS-M99311 Waterproof Mini LED Module Dimensions

Applications of YS-M99311 Waterproof Mini LED Module
1.Front Lit Letter Signs
The compact 12×10×8.2mm size and high 22-28lm output make it perfect for 5-8cm deep front lit letter signs. The bright, uniform light distribution creates eye-catching storefront signage that attracts customers both day and night, ideal for restaurants, retail stores, and office facades.
2.Back Lit Letter Signs
With a 160° wide beam angle, this LED module delivers soft, even backlight without dark spots, making it ideal for back lit letter signs. It creates a clean, glowing halo effect around letters, perfect for premium brand signage, hotel logos, and modern building facades.
3.Channel & Metal Letter Signs
A versatile choice for standard channel and metal letter signs, including airport, subway, bank, and shopping mall advertising displays. The IP67 waterproof rating ensures durability in high-traffic and high-humidity environments, while the stable performance guarantees long-lasting visibility.

Packing of YS-M99311 Waterproof Mini LED Module
1. Electrostatic bag size: 230mm*160mm*0.075mm; 200pcs/bag Electrostatic bag size: 230mm*160mm*0.075mm; 200pcs/bag
2. 20 bag per carton; Total 4000pcs 40 bag per carton; Total 8000pcs
3. Ourter carton size: 52*30*22cm Ourter carton size: 52*30*36cm
4. Gross Weight(G.W): 6.0KG (1+10%), net weigth: 6KG Gross Weight(G.W): 12.0KG (1110%), net weigth: 12KG

Professional YS-M99311 Waterproof Mini LED Module Manufacturer & Supplier
Founded in 2013, YESUN LED is a Shenzhen-based manufacturer specializing in LED signage and commercial lighting solutions. With 5,000㎡ of automated factory space, dedicated SMT lines, and strict full-process QC, we support OEM/ODM projects for customers in over 100 countries. To learn more about our team, factory, and production capabilities.
Product Certifications & Compliance
Our products comply with international standards including UL, ETL, CE, and RoHS certifications to support different market requirements.
YS-M99311 Waterproof Mini LED Module Quality Control Process
We apply strict quality inspection standards throughout production to ensure stable performance and reliable quality before shipment.














