China IP65 Waterproof LED Cartop Display Suppliers - Dual-Sided Outdoor Advertising Screen from Factory
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P2.5mm Pixel Pitch
| Module Size | Module Resolution | Driver Mode |
| 320 × 160 mm | 128 × 64 | 1/32 Scan |
| Brightness | Maximum Power | Average Power |
| 5000 cd/m² | ≤ 400W | < 250W |
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P3mm Pixel Pitch
| Module Size | Module Resolution | Driver Mode |
| 320 × 160 mm | 104 × 52 | 1/13 Scan |
| Brightness | Maximum Power | Average Power |
| 5000 cd/m² | ≤ 600W | < 300W |
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P4mm Pixel Pitch
| Module Size | Module Resolution | Driver Mode |
| 320 × 160 mm | 80 × 40 | 1/10 Scan |
| Brightness | Maximum Power | Average Power |
| 5000 cd/m² | ≤ 680W | < 340W |
❓ Frequently Asked Questions
Q
What is the difference between P2.5mm, P3mm, and P4mm LED modules?
The numbers refer to the pixel pitch — the distance in millimeters between the centers of two adjacent pixels. P2.5mm has the smallest pitch and the highest resolution (128×64), making it ideal for close-viewing applications. P3mm and P4mm offer progressively lower resolution but are more suitable for larger viewing distances.
Q
All three modules share the same size of 320×160mm — why?
Using a standardized module size of 320×160mm simplifies cabinet design, installation, and maintenance. The resolution and pixel pitch vary within this fixed size, allowing flexibility in image quality while keeping the physical footprint consistent across product lines.
Q
What does the brightness rating of 5000 cd/m² mean?
5000 cd/m² (candelas per square meter) indicates the luminance output of the LED module. This level of brightness is well-suited for outdoor or high-ambient-light environments, ensuring clear and vivid visibility even in direct sunlight conditions.
Q
Which pixel pitch should I choose for my LED display project?
Your choice depends on the intended viewing distance and application. P2.5mm is recommended for close-range viewing (2–4 meters) such as indoor retail or control rooms. P3mm suits medium distances (3–6 meters), while P4mm is better for larger screens viewed from 4 meters or more, such as outdoor advertising displays.
Q
What is the significance of the driver scan mode (1/32, 1/13, 1/10)?
The scan mode refers to how many rows of LEDs are driven simultaneously. A lower scan ratio (e.g., 1/32) means more rows are scanned at once, typically resulting in smoother image quality, while a higher ratio (e.g., 1/10) drives fewer rows simultaneously and is commonly used in larger-pitch, higher-power modules for outdoor use.
Q
How much power do these LED modules consume in actual use?
Each module specifies both a maximum power and an average power. The P2.5mm module uses up to 400W maximum with an average below 250W. The P3mm reaches up to 600W with an average under 300W. The P4mm has the highest maximum at 680W with an average below 340W. Average power figures are typically used for estimating day-to-day energy costs.

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