I was deceived when I first entered the industry! I bought an LED screen for 180,000 yuan, but after installing it, I discovered that the refresh rate was only 960Hz, and the photos taken of the event were all rippled. Today I’m going to talk to you all about how to choose so as not to suffer a loss!

1. Actual measurement of the pros and cons of the three major channels (with cost comparison)

​​1. Guide to picking up missing items on e-commerce platforms​​
The P2.5 screen of a certain cat flagship store priced at 58,000/㎡ on Double Eleven last year was actually assembled from refurbished modules. Remember the three verification steps:

• Let customer service send​ ​Light detection video​ ​(Must include red, green, blue and white four-color full-screen display)
• Check the packing box​ ​Production date stamp​ ​(Be careful when buying screens that are in stock for more than 6 months)
• contrast​ ​Power interface number​ ​(The same batch should be consecutive)

​​2. The inside story of factory direct sales​​
The real source manufacturers all have good products, and they have these hard indicators:

• ​​1920Hz refresh rate​ ​(Slow-motion shooting with mobile phone without flicker)
• ​​Intelligent brightness adjustment​ ​(The outdoor screen soars to 7500cd/m² at noon, and automatically drops to 300 in the middle of the night without dazzling the eyes)
• ​​72 hours aging test report​ ​(See if there is any dead light/color cast)

​​Cost comparison table​​

2. Seven details you must know before signing a contract

1. ​​"Warranty is calculated from the day of acceptance"​​
   Many merchants play word games and calculate the warranty period from the date of shipment, thus losing 15-30 days in vain.

2. ​​"The lamp bead brand is included in the contract"​​
   It is required to indicate the lamp bead model (such as SMD2121) and manufacturer to prevent shoddy products.

3. ​​"The defective pixel rate is calculated in square meters"​​
   Don't believe the nonsense about "no more than 5 bad pixels on the entire screen"! There should be 250,000 lamp beads per square meter of P3 screen. If the defective pixel rate exceeds 0.02%, it must be replaced.

4. ​​"Spare parts list"​​
   Reserve at least 2% of modules and 5% of power modules. During last year’s typhoon season, a project relied on spare parts to regain an 8-day construction period.

5. ​​"Software upgrade charges"​​
   Control system upgrades are long-term expenses. Negotiate in advance the update service fees within five years.

6. ​​"Installation qualification verification"​​
   Check the electrician qualification certificate and high-altitude working certificate of the team. Last year, a shopping mall was fined 110,000 yuan for construction without a certificate.

7. ​​"Liability for breach of contract is calculated on a daily basis"​​
   For late delivery, 0.3% of the total price will be compensated every day. This amount can force the manufacturer to deliver on time.

3. Exclusive pit avoidance data package

• For buyers who have purchased more than 3 batches, the negotiated price can be 22% lower than the listed price.
• Screen with self-test function reduces troubleshooting time by 87%
• For models using dual backup receiving cards, the crash rate is reduced by 64%

Last month I helped a friend check a pitfall: a manufacturer boasted that it was IP67 waterproof, but when tested with a high-pressure water gun, water seeped through the seams and burned the control card. Later, the box was replaced with a fully glued box to pass the test. This order cost an extra 42,000 yuan to buy a lesson.

industry truth moment

Last year’s industry association data showed:

• 93% of screens whose prices are 30% lower than the market price have false parameters.
• Requirements when purchasing​ ​Third-party testing report​ ​of buyers, after-sales disputes were reduced by 71%
• Supplier with 24-hour remote diagnosis, fault response speed is 6 times faster than peers

After working for ten years, I finally figured it out:​ ​Buying a screen is not buying groceries, it depends on the full life cycle cost​ ​. Just like the manufacturer that supplies screens for a certain stadium in Tokyo, although the unit price is 15% more expensive, it only replaces three power supplies in five years, saving 130,000 yuan in maintenance fees compared to low-priced screens. Remember, good equipment comes from savings, not from savings!

for more product information and pricing, please contact us .