
How to Clean an LED Screen: The Commercial Owner’s Playbook
How to clean an LED screen the right way: safe products, a commercial SOP, cleaning frequency by environment, and the mistakes that kill walls.



At Shenzhen UnifyLED Technology Co., Ltd., a professional p2.9 LED screen module manufacturer, we engineer the P2.9 LED module — a premium rental LED module with a 2.9mm pixel pitch. Designed as a small-to-medium pitch product, it guarantees visual clarity while optimizing your budget. Equipped with reliable SMD surface mount packaging, it delivers a smooth and delicate picture performance.
It is exceptionally well-suited for viewing distances of 3 to 6 meters, widely serving indoor high-definition screens, stage background walls, and commercial advertising. Boasting both superior image quality and outstanding cost performance, our P2.9 module stands out as a mainstream choice for commercial performances and engineering projects globally.
Carefully selected LED drivers s allow rental LED panel to deliver high refresh rates up to 3840Hz, resulting in flicker-free operation in module applications.
| Parameter | Specification |
|---|---|
| Pixel Pitch | 2.9 mm |
| Module Size | 192 × 192 mm or 250 × 250 mm |
| Module Resolution | 64 × 64 dots (192mm module) |
| LED Type | SMD2121 / SMD1921 |
| Gray Scale | 14-16 bit |
| Refresh Rate | ≥1920 Hz, up to 3840 Hz |
| Viewing Angle | 140° Horizontal / 140° Vertical |
| Brightness | 800-1200 cd/m² (Indoor standard) |
| Driving Method | Constant current, 1/16 scan |
| Protection Rating | Typically Indoor IP20 |
| Installation Method | Magnetic front maintenance / Screw rear maintenance / Quick-release latch |
| Compatible Control Systems | NovaStar, Colorlight, Linsn, etc. |
| Average Power Consumption | Approx. 150-180 W/㎡ |




Explore our full range of LED modules — Indoor · Outdoor · Rental
suitable for viewing at a medium distance of 2 to 5 meters, with clear picture details, which can meet the visual needs of most stage performances and activities.
Whether it is a small or medium-sized stage background or a corporate press conference, P2.9 can provide a good viewing experience.
P2.9 has achieved a good balance between image quality and cost. The manufacturing cost and maintenance cost are more economical than P2.6.
It is a very cost-effective choice in the market, especially popular for rental and medium-budget projects.
The module size is moderate, and the installation and maintenance are relatively simple.
It is suitable for rental projects with frequent assembly and disassembly, and is also suitable for fixed installation. The installation requirements are moderate, which reduces the overall construction difficulty and labor costs.
The pixel pitch of P2.9 makes the picture clear and delicate, suitable for a viewing distance of 2-5 meters, which just meets the visual needs of most stage performances and event sites, without any graininess, and without excessive cost due to too dense pixels.
Compared with the smaller pitch P2.5 or P2.6, the manufacturing and maintenance costs of P2.9 are significantly lower, which can not only ensure good display effects, but also avoid excessive investment for rental companies and customers. It is the best choice for those with limited budgets but pursuing quality.
The P2.9 module is of moderate size, and the structural design is both stable and light, which is easy to install and disassemble quickly. It is very suitable for the frequent transportation and construction needs of the rental market, and the maintenance cost and difficulty are low.
Whether it is an indoor concert, exhibition, corporate event or temporary booth, P2.9 can meet the needs of different types of activities, taking into account both visual effects and operational efficiency.
A large number of rental companies and event planners use P2.9 as standard configuration, forming a mature supply chain and technical support. Users are familiar with and trust the performance of this pixel pitch.
The smallest pixel pitch and the most delicate picture are suitable for close-up viewing, such as large concerts, professional theaters or high-end press conferences.
Because of the high dot density, the picture details are richer, and the text and small icons are displayed more clearly. However, the cost is high, and the installation and maintenance have stricter requirements on equipment accuracy.
High cost performance, with a relatively balanced picture quality and cost, suitable for stage activities with a viewing distance of 3-6 meters.
Whether it is a small or medium-sized performance, a corporate event or an exhibition stage, P2.9 is the first choice for many rental companies and event planners.
It can meet most visual effect requirements while reducing budget pressure and is relatively simple to maintain.
The pixel pitch is larger, and the picture clarity is lower than the previous two, which is suitable for outdoor or large rental activities viewed from a long distance.
High brightness, good light resistance, and can adapt to complex outdoor environments.
Although the picture details are not delicate enough, it is clear enough, especially suitable for large-area splicing and projects with limited budgets.
For close-up and high-quality images, choose P2.6.
For limited budget and need to take effect into consideration, choose P2.9.
For long viewing distance, tight budget or outdoor use, choose P3.91.
P2.9 means that the pixel pitch is about 2.9mm, which is suitable for a stage viewing distance of 2-5 meters. It takes into account both clear images and convenient on-site operation, and is the most commonly used pixel pitch in rental performances
The common configuration is a 192×192mm module, corresponding to 64×64 dots; the standard 500×500mm box contains about 6×6 modules, which is easy to replace and maintain
A high refresh rate can avoid camera flicker and provide a stable picture for video shooting. It is a necessary indicator for industrial-grade stage screens
The SMD lamp beads can reach a lifespan of 100,000 hours. The P2.9 module has a stable structure, is easy to maintain, has a low rework rate, and has a moderate cost investment.
If you need high-quality images at close range and have sufficient budget, it is recommended to choose P2.6; if you have a medium budget and the best cost-effectiveness, P2.9 is recommended; if you do not have high requirements for image quality, have a small budget or have more outdoor needs, choose P3.91

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UnifyLED is a leading LED display manufacturer dedicated to providing high-quality, custom visual solutions. We design and engineer reliable displays tailored to meet the unique needs of every project worldwide.
unifyledscreen@gmail.com
+86-191-18802497
Room 301, Building E-2, Jinrong Wangcheng Technology Industrial Park, No. 858, Puri West Road, Wangcheng Economic & Technological Development Zone, Changsha City, Hunan Province, P.R. China
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