Product Description
Wholesale rgb P3.91 LED display module 250x250mm rental led modules 1/16 scan led panels for rental led display
P3.91 Outdoor Full Color Display SMD1921
| Item | Technical parameter | |
| Panel | Dimension | (W)250mm*250mm(H) |
| Pixel pitch | 3.91mm | |
| Pixel density | 65410/ M2 | |
| Pixel configuration | 1R1G1B | |
| LED specification | SMD1921 | |
| Pixel resolution | (W)64*64(H) | |
| Average power | 16W | |
| Panel current | 8A | |
| Panel weight | 0.65KG | |
| Cabinet&Bracket | Humidity | 10%-95%RH |
| Quantity of panel | 4PCS/500*500mm cabinet | |
| Hub connecting | HUB75 | |
| Best viewing angle | Horizontal >170 Vertical>120 | |
| Best viewing distance | 3~30M | |
| Working temperature | -20~60℃ | |
| Panel power supply | 5V40A | |
| Screen power supply | 220VAC/50HZ±10% | |
| Max power | <800W/m² | |
| Average power | 250W | |
| power quantity | 200W/4PCS | |
| Technical parameter | Driving device | Constant current drive |
| Drive type | 1/16 Scanning | |
| Refresh frequency | ≥1920HZ/S | |
| Display color | 4096*4096*4096 | |
| Brightness | 4000cd/M2 | |
| Life span | 100,000Hours | |
| Communication distance | <100M | |
Test Description
|
Item |
Technical parameter |
|
Ground connection |
There is a protective grounding terminal, grounding resistance is not greater than 0.1Ω |
|
Safety mark |
The protective grounding terminal is marked, and there is a warning sign at the fuse and switch power. After the marking durability test, the marking is firm and legible. |
|
Leakage current to ground |
Leakage current to ground does not exceed 3.5mA/m² (effective value) |
|
High and low temperature operation |
Put the module into the environmental test chamber at 55℃, energize it for 24h, and then restore it to normal temperature; put it into the environmental test chamber at -20℃, energize it for 24h, and then restore it to normal temperature, the product appearance structure and function are normal before and after the test. |
|
High and low temperature storage |
Put the module into the temperature 100℃ environment test chamber for 24h, and recover 4h at room temperature after the test; put it into the temperature -40℃ environment for 24h, and recover 4h at room temperature after the test, the appearance structure and function are normal after the test. |
|
Humidity and heat load |
Put the module into the temperature (50±2)℃, relative humidity 87%~90% environmental test chamber, power on for 8h, check every hour, the product is normal before and after the test. |
|
Constant humidity and heat |
Put the module into the environmental test chamber with temperature (50±2)℃ and relative humidity 87%~90%, power on for 48h. Then after 4h of recovery at room temperature, the product is normal in appearance, structure and function. |
|
Salt spray test |
Under the conditions of salt solution PH value 7+/-0.5, concentration 5% NaCL, temperature 35+/-1 degree, continuous spraying 72h, no rusting and corrosion on the surface of the display after the test, the performance is intact and the operation is normal. |
|
Shipping test |
According to the three-stage circulation conditions of GB/T 6587 for the module, the appearance structure and function of the sample are normal after the test. |
|
Fire retardant |
Tested according to BS476-7 flame retardant standard, the display meets the CLASS 1 standard and the fire rating reaches UL94 V-0 |
|
Moisture resistance |
In the range of 10%RH-95%RH, the display works normally. |
Product Features
Application
Led display modules are widely used in advertising LED displays, stadium perimeter LED screen, mobile led display for mobile media, shopping mall LED billboard for logo showing, bank & stock exchange LED message signs for rates showing, train & bus station, airport, telecommunication LED video wall system forinformation showing and instruction, Stage performances ect.


Features
1) Brand LED chip, with super-high brightness LED, high contrast.
2) A-class LED display module frame and mask, which could endual harsh weather.
3) Fiberglass green enviromental PCB with 18mil thickness copper plating.
4) High frame frequency, wide view angle with excellent visibility and good performance.
5) With module development and distributed scan technology, high reliability.
6) Universal DC input / full range.
7) IP65 protection level, outdoor solution.
8) PC synchronous or asynchronous control (optional).
9) Use common video play software, easy to use.
10) Quick and easy assembly and disassembly.
11) High brighness and refreshrate.
12) 2 years warranty.
P3.91 outdoor RGB led display module rental led display screen P3.91 rental led modules SMD





Advantage
1.Perfect Display Effect:
High brightness and clearly led display effect with easy use control system which allow you easy become enviable led display experts.
High intensity and can be adjusted, so can meet the request of the customers according the application environment.
To pictures and character, have clear, exquisite and real display effect.
Big viewing angle to 120-150 degree at horizontal line, 120-150 degree at vertical line, you can see at every angle at this range, no picture change, no color excursion.
2.High quality
Best equality, have the excellent consistency of light.
Can repair each led lamps, so the cost of maintain is lower, and easy to repair.
Our most basic guarantee: the aging time exceeding 48 hours. Malfunction dot rate less than 0.0002. MTBF more than 5000 hours. And the EPISTAR assuring high brightness and long lifespan.
3.Attractive Factory Price
We are a professional manufacturer, has its own factories and production lines. Without middlemen and trading companies, our price is more competitive, quality is more reliable. Our price is more competitive, quality is more reliable.
Packaging & Shipping



1. We provide 2 years warranty. If the item is defective, please notify us within 7 days after goods delivered.
2. All items must be returned in their original condition, in order to qualify for a refund or exchange of goods.
3. The buyer is responsible for all shipping costs incurred.
4.Support 24 Hours Online Guide & Help if you have any problems!
5. High quality original LED Chip with CE,ROHS,FCC certified.
6. We gaurantee to test every part before the delivery and gaurantee the quality!
We are specilized in LED Display, which widely in industries of advertisement, pub, airport, station, harbor, gym, banks, school, factory, post office, department store, hospital, revenue office, customer, supervising centre, etc. All the products are exported to America, Russia, Great Britain, France, Austrilia, Greece, Italy, Japan, South Korea, Taiwan, Kazakhstan, etc.
Our company owns a group of high-quality professional and technical personnel and advanced modern sophisticated production equipment. We implement strict quality management, making every LED module,LED display cabinet,Power supply ,Video processor ,LED display into competitive products, etc. From the purchasing of the raw material to manufacturing, assembling, testing, we carry out every step one by one according to the ISO9001:2000 international quality control system strictly to guarantee the quality. And our products have passed the ISO14001:2004 international environment guarantee system certificate and European CE certification.


Q1: What's the warranty of your LED Display Screen ?
A1: We have a 2-year warranty for our led display screen, and 100,000 hours life span of the led lamps.
Q2: What about your pre-sale service and post-sale service?
A2: For pre-sale service: We have a professional sales team and 13 years technical team who are willing to answer your question. We can offer a whole complete solution for your project!
For post-sale service: We can instruct you how to use, adjust the screens, and change the broken modules with spare parts.
Also, we can send technicians to your country to solve problems.
Q3: Whats your payment term? How long it takes to delivery?
A3: We accept T/T, PayPal, West Union, L/C.... At least 30% deposit in advance, and the rest 70% before delivery.
Our average production time is 7-15 days, after receiving the deposit.
Q4: What's the control system?
A4: We usually use Nova, Linsn, Huidu, Colorlight, ONBON or XIXUN control system, and also we can make it as your requests.
Q5: How can you ensure the led display product quality?
A5: Our led display screen quality is our core competence, for 8 years, what we rely on.
We have each standard process to make quality products.
If any quality failures within warranty time, we will refund you on Alibaba.



