You must have seen the kind of LED screens that are highly reflective during the day and have outrageous color differences at night, right? To be honest, the field of customized full-color LED screens is very deep. When I helped renovate a shopping mall last month, I cut the quotation from 280,000 to 250,000. The key is not the bargaining skills, but the understanding of the industry. Today I will show you how to take off the custom-made full-color LED screen, and you will pay at least 30% less IQ tax after watching it.

Three major pitfalls in customization fees

1. ​​Pixel pitch trap​ ​: The difference between P2.5 and P3 seems to be only 0.5, but the actual price difference is 800 yuan per square meter.
2. ​​Brightness virtual scale​ ​: A screen marked 6000cd/m² is actually only 4500, which will cost an extra 20,000 yuan in electricity bills in three years.
3. ​​Hidden additions​ ​: Steel structure brackets/distribution boxes/cooling systems can account for 15% of the budget

There is a lesson learned through blood and tears: The owner of a hot pot restaurant chose a P4 screen at a low price. As a result, he could not see the menu clearly from 3 meters away. In the end, he spent an extra 70,000 yuan to disassemble and reinstall the screen. Remember, at least P2.5 is required for catering scenes!

List of necessary materials (save 30 days)

Here’s a little fun fact: Preparing fire protection acceptance drawings in advance can save 20 days of approval time. Especially in key areas such as shopping mall atriums, the fire protection level must reach V-0 level.

Installation Process Lightning Protection Manual

1. ​​On-site measurement​ ​: Don’t trust the drawing data, use a laser rangefinder to check the dimensions yourself
2. ​​Brightness debugging​ ​: Requires time-based debugging (test once in the morning, noon and evening)
3. ​​Acceptance criteria​ ​: Tested with a colorimeter, the color gamut coverage is ≥120% NTSC to be considered qualified.

The most outrageous case I have ever seen: the installation team installed the sending card in the fire escape. As a result, they had to report to the property management every time for maintenance. In the end, they spent an extra 12,000 yuan to modify the lines.

Risk warning: You will lose money in these situations!

• Failure to report outdoor screen advertising content: a daily fine of 500-2,000 yuan
• Light pollution from screens disturbs residents: Up to 50,000 yuan can be awarded to neighbors for mental damages
• Electricity leakage hurts someone on a rainy day: full compensation + business suspension for rectification

Last year, a KTV's floor tile screen leaked electricity, electrocuting its guests and sending them to the hospital for three months. The court awarded 380,000 yuan in damages, which was more expensive than the cost of the entire screen.

The editor has handled 137 customized screens and discovered a pattern: manufacturers who dare to provide "brightness attenuation curves" have an average product lifespan of 3.2 years longer. Those who hide the technical parameters are probably holding back their faults! Remember, the price difference of a good screen is waiting for you on the maintenance order five years later.

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