# Screen size criterion
Screen size is a triggering criterion that enables defining a [segment](/assets-library/creating-and-managing-segments.md).
To learn how to create a segment, please refer to this [article](/web-experimentation-and-personalization/targeting-step/how-to-create-a-segment-who-section.md).
## 📖 Definition
The Screen size triggering criterion enables you to reduce the visibility of your campaign to visitors that use a certain type of screen.
More precisely, we are using `window.screen.width` property. More information [here](https://developer.mozilla.org/en-US/docs/Web/API/Screen/width).
## ⚙️ Configuration
To configure the Screen size criterion, select if you want to include (`is`) or exclude (`is not`) a specific size. Then, you must enter both a minimum AND a maximum width (in pixels) for the targeted screens.
{% hint style="info" %}
Minimum and maximum values are included (and coincide with ‘maximum or equal’ and ‘minimum or equal’).
{% endhint %}
To help you choose the right screens, here is a table including the most common Apple screen sizes available on the market:
| **🖥️ Brand and size** | **📏Resolution** |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------- |
|
iMac Pro iMac 27
| 5 120 x 2 880 pixels |
| iMac 21.5 | 1 920 x 1 080 pixels |
| MacBook Pro 16’ | 3 072 x 1 920 pixels |
| MacBook Pro 15’ | 2 880 x 1 800 pixels |
|
MacBook pro 13’ MacBook Air 13’
| 2 560 x 1 600 pixels |
| MacBook Air 11’ | 1 366 x 768 pixels |
|
iPad Pro 12.9 (4th generation)
iPad Pro 12.9’
| 2 732 x 2 048 pixels |
| iPad Pro 11 (2nd generation) | 2 388 x 1 668 pixels |
| iPad Air (4th generation) | 2 360 x 1 640 pixels |
|
iPad (8th generation)
iPad (7th generation)
| 2 160 x 1 620 pixels |
|
iPad mini (5th generation)
iPad Pro 9.7’
iPad Air 2
iPad Air (1st generation)
iPad Mini 2
iPad Mini 3
iPad Mini 4
iPad (5th generation)
iPad (6th generation)
| 2 048 x 1 536 pixels |
| iPad Pro 11’ (1st generation) | 2 388 x 1 668 pixels |
|
iPad Pro 10.5’
iPad Air (3rd generation)
| 2 224 x 1 668 pixels |
|
iPhone 11 Pro
iPhone XS
iPhone X
| 2 436 x 1 125 pixels |
|
iPhone 11 Pro Max
iPhone XS Max
| 2 688 x 1 242 pixels |
|
iPhone 11
iPhone XR
| 1 792 x 828 pixels |
|
iPhone SE (2nd generation) iPhone 8
iPhone 7
iPhone 6s
iPhone 6
| 1 334 x 750 pixels |
|
iPhone 8 Plus
iPhone 7 Plus
iPhone 6s Plus
iPhone 6 Plus
| 1 920 x 1 080 pixels |
| iPhone SE (1st generation) | 1 136 x 640 pixels |
## 💡 Use case
You can choose to restrict the visibility of your popin to tablets, but only on “bigger screens”. To do so, apply the following steps:
1. In the *Who* section, choose the *Device* criterion and select the *tablet* value.
2. In the *How* section, choose the *Screen size* criterion and enter 2 048 px for minimum and 2 224 px for maximum.
Only tablets with screens from 2 048 px to 2 224 px will be targeted.
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---
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