---
title: "Stimuli Specifications"
url: "https://help.affectlab.io/en/article/stimuli-specifications"
language: "en"
last_updated: "2023-07-25T06:00:18.281Z"
---

# Stimuli Specifications

**Learn about the size, format, and duration requirements for stimuli belonging to different campaign types** 

***Media Insights - Video Testing*** 

Max. number of stimuli that can be tested: 10 (including URLs) 

Formats supported: mp4,.mov, YouTube public URL, Vimeo public URL 

Max. size Supported: upto 100 MB 

Max. duration supported: up to 900s / 10 minutes (for all videos combined) 

Additional points to note 

Media insights campaigns can support a combination of uploaded media and URLs 

Eye Tracking accuracy will grade down for longer media duration. So, it is recommended to break it down into multiple tests 

***Media Insights - Image Testing*** 

Max. number of stimuli that can be tested: 10  
Formats supported: .jpeg, .jpg, .png  
Max. size supported: up to 5 MB per file  
Max. recommended duration of exposure: up to 180s / 3 minutes 

***Shopper Insights*** 

Max. number of stimuli that can be tested: 10 (includes 2D packs, 2D shelves, Virtual shelves and Interactive shelves) 

For Interactive and Virtual Shelves: 50 images of product packs can be uploaded to build the shelf 

Formats supported: .jpeg, .png Max. size supported: 

https://support.affectlab.io/article/57-stimuli-specifications Page 1 of 2 

Stimuli Specifications - Affect Lab Knowledge Base 14/06/23, 4:51 PM 

For 2D Packs and Shelves: up to 5 MB per image  
For Interactive and Virtual Shelves: up to 200 KB per pack image 

Max. recommended duration of exposure per stimuli: up to 180s Max. duration of exposure of a test: up to 900s 

***UX Insights*** 

1.  Max. number of prototypes that can be tested: 10 
2.  Formats supported: mix of prototype files and URLs 
3.  Max. size supported: up to 5 MB (in case of prototype files) 
4.  Max. recommended duration of exposure: up to 120s / 2 minutes per task.