​​Hey, I want to install a cool full-color LED large screen, but I don’t know where to start? Don’t panic! Let's talk about this today​
I have a friend who runs a gym and insists on installing an LED screen in the lobby to do activities last year. As a result, he found a small workshop for cheapness. Now the screen flashes when it rains, and the maintenance master can't find anyone. Guess what? Later he told me that it would be absolutely not good to buy this thing just by looking at the price!

​​1. Buy a full-color LED screen and understand these tricks first.​
Let me talk about cold knowledge first. The price of a screen of the same size can be several times different. The key dependsPixel spacing———It is the distance between two luminous points. For example, the P3 screen is more expensive than the P6, but when you look at it from 5 meters away, the P6 is like a mosaic.

​Three must-see parameters:​

1. ​​Refresh rate ≥1920Hz​​: The bottom line value of video without flashing ripples, some low-end screens use 960Hz to fool people
2. ​​Intelligent brightness adjustment​: Do not exceed 1200cd/m² indoors, otherwise you will be blinded at night; you must withstand the sunlight of 5000cd/m² outdoors
3. ​​Protection level​: Do not buy outdoor screens without IP65 certification, as they are scrapped every minute when it rains

(At this time someone asked: The parameters are so complicated, how do I know whether the seller is saying true or false?)
I will teach you a trick - let the manufacturer shoot videos of the production workshop. Serious manufacturers have automated assembly lines, and there is not even a quality inspection table for those handicraft workshops!

​​2. Where to buy it is reliable? Remember these 3 iron laws​
Last year, I went to more than a dozen factories when I helped wedding companies select screens and summarized this rule:

1. ​​Depending on qualifications​: ISO9001 certification is the bottom line, only those with complete CE/CCC certifications dare to seek it
2. ​​Depending on production strength​: Small factories with monthly production capacity less than 5,000 square meters are carefully selected, and spare parts cannot be supplied.
3. ​​View service outlets​: Priority for technical teams to respond 24 hours a day

(My cousin was in trouble when he opened an Internet cafe. He bought a cheap one and had no after-sales order. As a result, the screen was dark for three weeks and no one cared about it)
The key point is here! Many major manufacturers now have​Full-cycle service​​, all inclusive from design to installation and debugging. I heard that there is a factory that supplies the Tokyo Olympics, and even the screen angle needs to be adjusted with a laser rangefinder. This is the professionalism.

​​3. How to choose different scenarios? Save a lot of money by taking the role​
​​Give a real case​: A chain of convenience stores has installed a transparent LED window screen, displaying products normally during the day, and turning them into advertising screens at night. This​Permeability 86%​’s creative screen is 30% more expensive than ordinary screens, but it earns 20,000 more monthly advertising revenue!

​​Purchase list is not thankful:​

• Outdoor advertising: Choose automatic brightness sensing function, save half of the electricity bill
• Shopping mall window: Remember to measure the light transmittance of transparent screens, don’t consider if it is less than 80%.
• Stage performance: Choose a quick-release box for rental screens, which can be installed in 30 minutes
• Sports venue: The fence screen must be impact-resistant, IP65 is the starting requirement

​​4. Don’t worry about installation and maintenance, don’t step on these pitfalls​
Last year, a gym owner suffered this loss! Remember this bloody and tears lesson:

1. The outdoor screen foundation must be 1.5 meters deep, and if you cut corners, you will be finished when you encounter a typhoon.
2. The cooling system must account for 15% of the entire screen cost, and overheating will burn the driver IC
3. Grayscale correction is done at least once a month, and the color difference is extremely ugly

(You may not know if you have a cold knowledge: a good box can last 80,000 hours, but it will deform after 2 years)
It is recommended to state when signing the contract5-year warranty​, core components such as power supply and chip must be included.

​​5. Personal opinion: Why is service more important than price?​
There is a manufacturer that has installed curved screens in Singapore's F1 track, and brought 3 sets of spare parts plans during installation. As a result, it really hit a heavy rain. The backup plan started in 10 minutes. This incident completely convinced me—​​At critical moment, reliable service can save lives​！

Do you understand now? Buying a full-color LED screen is like finding a partner. It’s not enough to just look at the appearance (parameters), but also depends on the family’s financial situation (production strength) and sense of responsibility (after-sales service). Remember, the little money saved is not enough to repair the screen in the future!

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