PRT OPTOELECTRONIC CO.,LTD
PRT OPTOELECTRONIC CO.,LTD is professional manufacturer and supplier of led displays with high quality, competitive prices, excellent service
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HD P4 Indoor Video Advertising LED display with full color high contrast SMD 2121 lamps
Our service:
1. We provide 24-hours service, and every message you quote inquiry will be replied within 12 hours.
2. Our products are exported to foreign countries and regions.
3. Our professional team will constantly communicate with you, to establish a good working relationship.We aontact you by e-mail and phone, always prepared to help you out.
Product features:
1. SMD full color pitch for wide view angle, light with a good max, high contrast
2. Equipped with intelligent lighting equipment and adaptive adjustment of environment, will not affect by the ambient light strong display effect and environmental protection and energy saving
3. Original designer and manufacturer factory direct sale. Help you save 50% or more cost.
4. From material to finished product, from design to produce, we control all steps, that's the guarantee of the quality and reliability.
Delivery Details:
1. FedEx/DHL/UPS/TNT for samples, Door-to-Door
2. By Air or by Sea for batch goods.
3. Customers specifying freight forwarders or negotiable shipping methods.
4. Delivery Time: 3-5 days for samples; 7-20days for batch goods.
The delivery time of your shipment depends on your order quantity.
Parameters for reference, please contact us for details, we offer you the exact price based on your request.
| Item | Parameter | Item | Parameter |
| Pixel Pitch | 4mm | LED Encapsulation | SMD 1R1G1B |
| LED Chips | Epistar | Module resolution | 64dotsx32dots |
| Module size | 256mmx128mm | Pixel density | 62500dots/m² |
| Cabinet size | 512mmx512mm | Cabinet resolution | 128dotsx128dots |
| Drive Method: | 1/16 Scanning | Brand of power supply | CL 5V~40A |
| Gray Scale | Recommended 256 level | The best viewing angle | Horizontal:140 |
| Max Power Consumption | 1000W/ m² | Control Mode | Video frequency |
| Optimal Viewing Distance | ≥4m | Brightness | ≥1500cd/m² |
| Blind Spot Rate | <0.0001 | Brightness Control | 0-255 Grade |
| Contrast | 100 levels adjustable | Earth Leakage Current | <2mA |
| MTBF | >5000Hours | Lifespan | >100000Hours |
| Power Supply Mode | AC220V/50HZ or | Protection Level | IP41 |
| Humidity | 0%~90% | Operating System | Windows98/me/ |
| Operating temperture | Operation:-30°C~+60°C | ||
Product Testing :
1. The test content: black and white, red, green, blue monochrome, grayscale gradient, video effects, text effects
2. LED display a white screen test playing time is not less than 24 hours
3. Monochrome and grayscale gradient test not less than 24 hours
4. Video and text effects test not less than 24 hours