Hey, don’t tell me, buying LED screens now can really make people dizzy. Last week, a guy who owns a gym asked me: "Brother, you said that my front desk wants to install a screen that can play class schedules. Who should I buy it from?" "Today we will break it into pieces and talk about this topic.

1. You need to understand these things before buying a screen

​​Here comes the point​ ​: You need to understand three key questions first:

1. ​​Where to install it? ​ ​ Should it be placed indoors or outdoors? For example, the high-definition LED walls used in some hotel lobbies are completely different from the fence screens in sports venues.
2. ​​To whom? ​ ​ If it is an image screen for guests to see and an information screen for internal use by employees, the selection criteria can be two places different.
3. ​​How to use it? ​ ​ Post static posters every day or dynamic videos frequently? This is directly related to how high the refresh rate should be.

To give a real example: Last year, a stadium in Tokyo had to replace its fence screen with a new one. It had to withstand the sun and rain, and it also had to prevent fans from colliding when they were excited. The last model I chose has an IP65 protection level and an explosion-proof coating on the surface. I have been using it for more than a year and have never had any problems.

2. How to choose purchasing channels?

There are mainly the following types of sellers on the market:

• ​​Online platform​ ​: Suitable for buying a small-sized conventional screen, but you have to worry about transportation and installation.
• ​​local engineering contractor​ ​: Installation and debugging can be included, but you know the middleman makes the difference.
• ​​Contact the manufacturer directly​ ​: Large quantities are preferred and can be customized. For example, some large factories with a monthly output of tens of thousands of square meters have really strong ability to receive orders.

​​Knock on the blackboard​ ​: If the purchase quantity exceeds 50 square meters, it is recommended to contact the manufacturer directly. Not to mention anything else, after-sales maintenance alone, the 24-hour response service provided directly by the manufacturer is worth the price.

There is an interesting case of a restaurant chain: their stores in six countries in Southeast Asia have uniformly replaced front-end LED signs. Because we work directly with manufacturers, we not only get bulk discounts, but also can update program content remotely and uniformly. Store managers no longer have to copy USB drives one by one.

3. How to look at technical parameters

There is a lot of knowledge here. Let’s pick the three most critical ones to talk about:

1. ​​Brightness adjustment​ ​: Like a screen for indoor use, 800-1200 nits is just right, allowing you to see clearly without dazzling the eyes. It is best to choose an outdoor screen with smart dimming function, so you can see it clearly even under the bright sun.
2. ​​refresh rate​ ​: Nowadays, the mainstream is moving towards 1920Hz. If you often shoot videos and post them on social media, this parameter must not be omitted.
3. ​​Thermal performance​ ​: If you feel the temperature on the back of the sample machine, you will know that a machine with poor heat dissipation will change color after two years.

The most amazing design I have ever seen is a certain brand’s transparent video wall. It has a transparency rate of 86% and is installed in the glass curtain wall. When the screen is not turned on in broad daylight, you cannot see the screen at all. This kind of creative product is now particularly popular in shopping malls, both as decoration and advertising.

Personally, I think buying an LED screen is like looking for a partner - you can't just look at the bright appearance, but also look at the actual function of "living life". Just like that duty-free shop in Seoul, the curved advertising screen installed can not only automatically adjust the brightness, but also remotely monitor the status of the equipment. Over the past three years, the operation and maintenance cost has been saved by more than 400,000. Therefore, choosing the right supplier can really save you worry and money. If you are not sure about your decision, remember this sentence: first look at the technical strength, then look at the service cases, and finally negotiate the price, so you can be sure not to suffer a loss!

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