Alas, friends who want to buy LED color screens recently are probably worried - there are prices on Taobao ranging from 3,000 to 30,000 to 30,000. The manufacturer's promotion is mysterious, and the "military quality" and "holywood style" are dazzling. Today I will tell you how to choose channels when buying this thing, so as to ensure that you can avoid detours for two years after reading it.

1. Buying an LED screen is like finding a partner, you have to see the right place

Let me tell you a real story: Last year, there was a milk tea chain brand. I bought a batch of indoor poster screens at the wholesale market to save trouble. As a result, the screen went on a collective strike on the day of opening, and the crowd queuing directly criticized it as a hot search. This tells us:​Choose the right purchasing channel ten times more important than bargaining​​。

1. ​​The online platform is very deep​

   • A certain cat flagship store: suitable for buying standard size regular screens, such as the common P2.5-P4 models
   • ​​Tapest protection tips​: Be sure to let the customer service issue the original picture of the quality inspection report, don’t believe in the slander of "industry common parameters"
   • Real cases: A famous restaurant in Southeast Asia ultimately targets manufacturers with monthly output of over 10,000 square meters through online price comparison, saving 18% of the budget

2. ​​There are many tricks in offline physical stores​​

   • The exhibition hall effect ≠ actual effect, remember to let the salesperson turn off the atmosphere light to see the real picture quality
   • Focus on checking the joints of the box, do not buy any A4 paper stuffed in it.

3. ​Project Express​

   • Service providers who have worked in Japanese gymnasium fenced screens and Korean transparent window projects are more reliable
   • ​Factory inspection tips​: Please check the production line with video connection, please pay attention to whether the assembly line workers wear anti-static bracelets

2. Word game in parameters

​​Question: Why can the price difference between P3 screens and two or three times the same price?​​
Let's take a breakdown of the trick:

The easiest thing to get cheated here is​Low bright high gray technology​, simply put, the screen can maintain delicate picture quality in a dim environment. For example, the indoor screen used in some high-end places can still see the details of the character's hair when the brightness is set to 800cd/m². This is the real skill.

3. Soul-totoring before paying

1. ​​"How many years will this screen be used?"​​

   • Use the rental screen for temporary activities, quickly disassemble and assemble the structure to build 10㎡ in 15 minutes
   • Long-term fixed installation must choose IP65 or above protection, so don’t save thousands of dollars

2. ​​"Can you find someone after-sales service?"​​

   • The key is to see if there is a 24-hour technical response. If there is a fault at 3 a.m., it will be available for two hours.
   • More than 110 countries in the world's service outlets are relatively stable

3. ​​"Will the upgrade turn into scrap iron?"​​

   • The driver board must reserve 5G module interface
   • Power modules must support smart energy conservation, and the new EU regulations will be strictly blocked next year

4. The private hiding strategy of the old bird in the industry

Now I will teach you a few unique skills that sales will never say:

• ​Temperature difference test method​: After starting the machine, touch the box with your hands half an hour later, and the temperature is uneven. You will definitely cut corners if you have uneven temperatures.
• ​​Grayscale killer​: Let the manufacturer play a 256-level grayscale map, and the one that can distinguish 1%-3% of the brightness is the best product
• ​​Contract Additional Items​: It must state that "the brightness of the present site shall not be less than 90% of the nominal value"

Have you heard of the most outrageous case? A shopping mall bought a batch of large outdoor screens, which were well received during the acceptance, but the screen was soaked in tears in the first rainy season. Later it was discovered that recycled aluminum was used, which directly deformed with thermal expansion and contraction. So,​The box material is at least 1.5mm aerospace aluminum​, don’t believe in “new composite materials”.

5. Guide to prevent pits in the next three years

The industry is undergoing a major reshuffle, remember these three trends:

• ​​The rise of flexible screens​: The price of screens with a bendable radius <8cm will be reduced by 40% next year
• ​​AI control is the top priority​: Screens that can automatically count customer flow and analyze advertising effects, with a premium of 25%.
• ​Carbon Footprint Certification​: If there is no carbon neutrality certificate since 2025, it will not enter the market of developed countries

But to be honest, no matter how good the screen is, it must be maintained. I have seen a 4K screen bought by a rich man who spent a million yuan, but he wiped the screen with 84 disinfectant, and it was completely useless in half a year. So, remember to buy screens​Full maintenance manual​, don't save that little training fee.

Finally, let’s say something heart-wrenching: buying LED color screens is not buying cabbage, it’s just a bit less than the price. Remember three "definite" - you must look at the cases of five-year-old customers, you must test the minimum brightness and picture quality, and you must sign a technical guarantee agreement. Now some tough guys can make P2.5 effects of P3 screens, relying on the black technology of driver chips and optical materials. When inspecting the goods next time, I will take the 4K source of "Avatar" to test the machine. If you can see each fish scale clearly in the aquarium, you can buy it with your eyes closed.

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