Alas, many friends have been asking recently that they want to make an LED display screen, but when I searched the kit, I found that the water was too deep - there were from hundreds to tens of thousands of yuan on Taobao, and the manufacturer's publicity was so vague. Who should I believe? Today we will talk about how to buy LED display kits, so how can we not get into the pitfalls?

1. Buying a kit is different from buying groceries

To be honest, buying LED kits is harder than picking fruits now. Why do you say that? Look:

• ​​Price difference is like a roller coaster​​: Also said to be P3 outdoor screen, some are sold for 3,000/㎡, and some dare to ask for 8,000 yuan. The moisture here can raise fish
• ​​The parameters make people dizzy​​: Refresh rate, grayscale, protection level... These professional terms can make people confused
• ​​Install after-sales service like a blind box​​: Some merchants don’t care after selling it, and they rely on their own to make a decision in the later stage.

Two days ago, I heard that a guy bought a miscellaneous kit for cheap pictures, but it was only three months after it was installed on the exterior wall of the mall. On rainy days, the screen shook like Parkinson's. After checking, the repairman found out that it was OK—the waterproof glue strips were not installed in place at all, and the circuit board had green hair.

2. How to find reliable channels

​​Q: Should I buy a kit now be online or offline? ​ ​
Let's talk about actual cases:

1. ​​Online platform​​

   • The flagship store of Momao and Dong: suitable for buying standard models, such as indoor poster screens of common sizes
   • ​​Points to prevent pits​​: You must see if there are screenshots of CE and CCC certifications, and don’t believe in the test reports that have been passed by PS.
   • Real cases: Last year, there was a shopping mall project in Singapore. The purchaser compared prices through online channels, and finally locked in a manufacturer with a monthly production capacity of over 10,000 square meters, saving 15% of the budget.

2. ​​Offline exhibition​​

   • Industry exhibitions like the Canton Fair can show the prototype effect on site
   • ​​Points to prevent pits​​: Don't be fooled by the lighting effects in the exhibition hall, remember to let the manufacturer turn off the lights to demonstrate low-brightness pictures

3. ​​Recommended by the engineer​​

   • Has been a service provider for transparent window screens and Japanese stadium projects in Seoul, South Korea, and usually has a stable supply chain in hand
   • ​​Points to prevent pits​​: Requires a project case photo within three years, preferably taken at night

3. Guide to avoid pits when purchasing

At this time, some friends may ask: How to choose specifically? Let's make a practical list:

There is a key trick here——​​Look at the heat dissipation design​​. A good box should have a uniform temperature when touched. If it is partially hot like teppanyaki, it will definitely cut corners. Just like some high-end rental screens, aluminum-magnesium-zinc alloy cabinets are equipped with intelligent temperature control, and they are made at will from -30℃ to 60℃.

4. Three questions about the soul before paying money

1. ​​"How many years does this screen plan to be used? "​ ​

   • If you want to use it for one or two years, it doesn't matter if you choose a bargain
   • But if you have to carry the exterior walls of shopping malls for five years, you can't save money on materials.

2. ​​"Where is the after-sales team? "​ ​

   • The key is to see if there is a 24-hour technical response, and whether it can be arrived at the scene in the middle of the night with a fault for two hours.
   • I heard that some manufacturers have set up service points in 110 countries, which is more reliable.

3. ​​"Are there enough upgrade space? "​ ​

   • Nowadays, 5G connected control is popular, and the driver board must reserve an upgrade interface.
   • Modular design is very important, and later maintenance can save a lot of money

5. Know the future trends early

Now some new ways of playing are emerging in the industry. You have to look forward to buying a kit:

• ​​Flexible Screen Kit​​: The bendable radius is less than 10cm, no need to splice it when doing arc-shaped advertisements
• ​​AI control module​​: It can automatically adjust the brightness and also bring a flow of people, and the advertising fee can be charged 20% more.
• ​​Carbon Neutrality Certification​​: From next year, the EU will block carbon emissions, and those without green certification will not enter the market

But then again, no matter how good the kit is, it must be able to install it. The most outrageous case I have ever seen - a rich man bought a top-level configuration, but when he installed it himself, he connected the positive and negative poles in reverse, and the 100,000-yuan screen smoked on the spot. So, you still have to find professional people for professional matters.

Finally, I have a few nagging words: Buying an LED kit is like finding a partner. You can’t just look at the appearance parameters, you have to find out the details. Remember three "must" - you must look at the actual cases, be sure to inspect the factory, and be sure to sign a technical agreement. Now some manufacturers can use P3 screens to produce P2.5 effects, relying on black technologies such as low brightness and high gray. The next time you choose a kit, don’t forget to let the manufacturer adjust the brightness to the lowest and the grayscale transition is still smooth. This is the real ability.

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