Have all the bosses been confused by this question recently - "Where should I buy this LED digital advertising display?" "Don't panic, today we'll break it up, crush it and say it, to make sure you feel clear after reading it!

1. Three reliable purchasing channels.

Question 1: Is it more reliable to buy online or offline?

​​The answer depends on what kind of screen you want​​

1. ​​Online flagship store​ ​: Suitable for standard-size conventional screens, such as poster screens and door screens, with transparent prices and no-reason returns within seven days.
2. ​​Offline experience store​ ​: If you want to customize special-shaped screens (such as curved and spherical), you must see the samples on site, and you can also test the brightness uniformity on site.
3. ​​Industry exhibition​ ​: Exhibitions like Shenzhen Optical Expo can expose you to the latest technologies, such as the transparent screen with a transparency rate of 86%, which became popular at the exhibition.

Let’s take a real case: Last year, there was a chain milk tea shop. It first bought a batch of conventional screens online. Later, when it wanted to build a 360-degree circular screen for its flagship store, it still had to go to the factory to watch the customization before it was safe.

2. Five parameters that must be followed when purchasing

Question 2: What should I do if I get a headache just by looking at the parameter table?

​​Remember these three numbers to stay safe​​

• ​​brightness​ ​: If the outdoor screen is lower than 4000cd/m², it is a rogue, and it cannot be seen clearly on cloudy and rainy days.
• ​​refresh rate​ ​: 1920Hz is the bottom line, you can rely on it to shoot videos without screen flickering.
• ​​Protection level​ ​: At least IP65 for outdoor use. For seaside cities, IP68 salt spray protection is required.

Here is a comparison table to help you make a quick decision:

3. Pitfall avoidance guide: a must-read lesson of blood and tears for novices

Question 3: How to avoid inferior products?

​​These three tricks are more effective than quality inspection reports​​

1. ​​Touch the border​ ​: The aluminum-magnesium alloy material is cold to the touch, while the plastic imitations also peel off the paint when warm to the touch.
2. ​​Look at the solder joints​ ​: Take a macro photo of the light board with your mobile phone. The solder joints are round and full, which is a good workmanship.
3. ​​Measuring afterimage​ ​: Quickly slide the text, and pass directly if there is a smear

Last year, a customer bought a batch of screens at a low price. As a result, the screens went black during the rainy season, and the repair fee was more expensive than the screen! Remember: the power module of the outdoor screen must have three levels of lightning protection. Many manufacturers will cut corners on this detail.

4. Hidden test points of after-sales service

Question 4: What is the difference between a three-year warranty and a five-year warranty?

​​The key is to look at these two services​​

• ​​Response time​ ​: There is a huge difference between 24-hour door-to-door service and 72-hour door-to-door service.
• ​​Spare parts inventory​ ​: Anyone who dares to promise a 5-year warranty will definitely have old model accessories in the warehouse.

Here’s a little trivia: Software upgrade services for control systems are often more important than hardware warranty. For example, a large screen in a scenic spot has been used for five years, but it still supports the latest video formats through continuous system upgrades.

personal opinion time

Let me tell you, buying LED advertising screens now is like looking for a partner.——​ ​You can’t just look at looks, you have to look at inner beauty too​ ​. for example:

• Shopping mall window screens can be "invisible", cool when playing, and transparent when turned off
• The community announcement screen must be "resistant to manufacturing", and anti-sticking and anti-graffiti are just a must.
• The stage screen must be "light as a swallow". A good screen can be disassembled and assembled in half an hour.

Recently I have discovered a trend: smart screens are beginning to roll in! For example, some high-end models can automatically adjust the brightness, which is smarter than a mobile phone screen. However, it never changes away from the basics. Look for the core parameters + reliable channels to ensure that you buy a reliable digital advertising screen. Before making your next purchase, you might as well use this article as a guide to avoid pitfalls!

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