IP65 vs IP67 Digital Signage: What Is the Difference?

Summary: IP65 and IP67 are both common outdoor digital signage ratings, but they do not mean the same thing. This guide helps procurement teams verify waterproof claims and match the rating to the installation environment.

Poolside IP67 outdoor wall mounted display

IP67-rated outdoor display protection is valuable for exposed rain, dust, cleaning water, and wet public environments.

Outdoor digital signage is expected to work in rain, dust, wind, heat, and public environments. That is why buyers often ask for "waterproof" displays. But in technical procurement, the word waterproof is not enough.

The IP rating is one of the most important indicators of outdoor display protection. Two common ratings are IP65 and IP67. They look similar, but they represent different levels of protection and different engineering requirements.

This article explains the difference and shows buyers what to verify before placing an order.

What Does an IP Rating Mean?

IP stands for Ingress Protection. It describes how well an enclosure protects against solid particles and water.

The first digit refers to dust protection. The second digit refers to water protection.

For example:

IP65 means the product is dust-tight and protected against water jets.
IP67 means the product is dust-tight and protected against temporary immersion under defined test conditions.

Both ratings can be useful, but they are not interchangeable.

IP65 vs IP67: Simple Comparison

Rating	Dust Protection	Water Protection	What It Means for Buyers
IP65	Dust-tight	Protected against water jets	Suitable for many outdoor sites when installation is controlled.
IP67	Dust-tight	Protected against temporary immersion	Stronger protection for harsh, exposed, or high-risk outdoor sites.

The first digit is the same: both IP65 and IP67 are rated dust-tight. The difference is in the second digit, where IP67 provides a higher water protection level.

Why IP67 Is Stronger Than IP65

IP65 protection is designed around water jets. It is useful for outdoor displays exposed to rain and cleaning water when the installation follows the supplier's instructions.

IP67 protection is more demanding because it involves temporary immersion testing under specified conditions. For outdoor digital signage, this usually requires more careful sealing, stronger enclosure design, better cable entry protection, and tighter control of service doors and gaskets.

IP67 does not mean a display can be used underwater permanently. It means the product has passed a higher level of ingress protection testing than IP65.

Which Rating Does Outdoor Digital Signage Need?

The right rating depends on the installation environment.

Installation Environment	Procurement Guidance
Covered outdoor walkway	IP65 may be acceptable if the display is protected from direct heavy water exposure.
Street-side outdoor display	IP65 minimum; IP67 preferred when exposure is high.
Drive-thru menu board	IP65 minimum; IP67 preferred for rain, cleaning water, dust, and long uptime requirements.
Coastal area	IP67 plus corrosion-resistant materials should be considered.
Desert or dusty site	Dust-tight sealing and fanless design become especially important.
Public transportation or smart city use	IP67 is often a safer choice because downtime and service access are critical.

For procurement teams, the rating should match the real installation, not just the product catalog.

The Most Common IP Rating Mistake

The most common mistake is assuming the entire product has the rating.

Sometimes a supplier provides an IP rating for:

Only the empty enclosure.
Only one component.
A different model.
A different screen size.
A product tested without the final cable entry or accessories.

Buyers should ask whether the IP rating applies to the complete finished display, including front glass, rear cover, service door, cable entry, connectors, speaker openings, mounting points, and touch module if included.

What Documents Should Buyers Request?

Before purchase, ask suppliers for:

IP test report or certificate.
Tested model number.
Testing organization.
Test date.
Photos or drawings of the tested product.
Installation limitations.
Warranty terms related to water and dust ingress.
Cable entry and sealing instructions.

If the certificate does not match the product being purchased, ask for clarification in writing.

Cable Entry Can Break the Waterproof Design

Even a well-designed IP67 enclosure can fail if cables are installed incorrectly.

Procurement teams should confirm:

Where the cable entry is located.
Whether waterproof cable glands are included.
What cable diameter is supported.
Whether the installer must seal any openings on site.
Whether opening the service door affects the gasket.
Whether spare gaskets are available.

Many water ingress problems begin at cable entry points, not the LCD panel itself.

IP Rating and Maintenance Must Work Together

A sealed outdoor display still needs service access. If maintenance teams open the cabinet, replace parts, or adjust wiring, the sealing system must be restored correctly.

Ask:

Can the display be serviced without damaging the seal?
How many times can the service door be opened before gasket replacement?
Are service instructions provided?
Are spare sealing parts available?
Is field service supported?

Waterproof performance is not only a factory test. It must remain reliable after installation and maintenance.

Procurement Takeaway

IP65 and IP67 digital signage are both outdoor protection levels, but IP67 offers stronger water ingress protection. For exposed outdoor projects, drive-thru menu boards, coastal sites, dusty environments, and high-uptime applications, IP67 is often the safer specification.

The buyer's job is to verify the claim. Ask whether the rating applies to the complete finished product, request test evidence, review cable sealing, and confirm warranty coverage for water and dust ingress.

Do not buy the word "waterproof." Buy a verified protection design that matches the real site.