Hey, why do you think buying an LED advertising screen now is like buying a mobile phone? The pile of parameters is confusing? Last week, Lao Zhang stumbled over this matter - the screen he bought for 180,000 yuan has dropped by half in three months, and the maintenance team came five times but failed to fix it. Today we will break it apart and crush it to talk about how to choose this smart advertising screen?

1. Is it more difficult to find a manufacturer than a partner? Remember these three "hard indicators""

Don’t just listen to the sales bragging, let the manufacturers reveal their background first:
​​① Is the monthly output over 10,000 square meters? ​ ​(Expediting fees in peak seasons with small production capacity can charge you 30%)
​​② Is there a fully automatic placement machine in the workshop? ​ ​(Hand-welded modules are guaranteed to be ready within two years)
​​③ Is the spare parts inventory sufficient? ​ ​(Last year’s Double Eleven, some merchants spent an extra 70,000 yuan to temporarily adjust goods.)

Here’s a little trivia: Factories that do foreign trade are more reliable. After all, CE certification is no joke. Just like the manufacturers that have supplied products to Myeongdong, Seoul, each screen must pass a 72-hour salt spray test, which is two levels higher than the national standard.

2. Don’t treat the parameters as decorations. These three numbers determine the thickness of the wallet.

​​① Refresh rate must ≥1920Hz​ ​——Below this number, the commercials will be full of ripples, and Party A’s father will scold you.
​​② The brightness will change on its own​ ​——It reaches 5500cd/m² during the day and is blinding, and automatically drops to 800cd/m² in the middle of the night to save electricity bills.
​​③ Protection grade IP65 is the bottom line​ ​——There were heavy rains in Guangzhou last month, and the screens of three merchants were flooded and cost more than 40,000 yuan to repair.

Let me tell you secretly: Choose a belt​ ​Intelligent temperature control​ ​model, summer electricity bills can be cut by 40%. There is a case in Tianhe City, which saved 38,000 electricity bills a year by relying on this function.

3. There are so many tricks in the contract that you can raise a fish, keep an eye on these three.

1. ​​Don’t just look at the years of warranty​ ​——It should be written "Renewal in the first year, warranty for the next four years""
2. ​​Who pays for transportation costs?​ ​——The logistics cost of transporting a 6-meter-long P3 screen from Shenzhen to Beijing can be 20,000 yuan
3. ​​Brightness attenuation standard​ ​——Write to death "The brightness will not be lower than 90% of the initial value within three years.""

Lessons learned through blood and tears: Lao Wang failed to pay attention to module compatibility when he signed the contract last year. As a result, the price of spare parts tripled when he switched to another repairman. Now all smart people require​ ​open protocol interface​ ​, later maintenance does not tie up the original factory.

4. You must be a "supervisor" at the installation site, and you must be serious about these three areas.

​​① Distribution box power​ ​: Add 30% to the nominal power to be sufficient (last year, a shopping mall in Chengdu burned the motherboard due to overload)
​​② Cooling air duct direction​ ​: It needs to be in an "S" shape layout, which cools down 50% faster than the direct exhaust type.
​​③ Spare signal line​ ​: At least two HDMI cables should be installed. A black screen when the leader inspects is no joke.

There is a true story: Due to mismatched interfaces at an opening ceremony, the marketing director performed live screencasting on his mobile phone and was fired the next day...

Let me tell you, buying a smart screen now is like buying a computer - don't just look at the running scores, after-sales service is king. Recently, a new trend has emerged in the industry——​ ​Predictive maintenance system​ ​, can warn 85% of faults 14 days in advance, and maintenance costs can be reduced by 60%. The next time you encounter a salesperson who brags about a "five-year warranty," remember to confront him: "Do you pay if the fault response exceeds 4 hours?" "

By the way, I heard that high-end shopping malls are rushing to install them now.​ ​Double-sided transparent screen​ ​, this new product with a light transmittance of 86% can be used as a window display at night and an advertisement during the day, and the rent can be increased by 30%. But a word of warning: to install this kind of screen, you must have a professional dust removal team, otherwise it will become a "frosted screen" in half a year!

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