# Image limitations & guidelines for symbols

Source: https://help.malighting.com/grandMA2/en/help/key_imag_limitations_guidelines.html
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There are few limitations regarding the size of images and the pool there. 

## Limitations

- Each image has a maximum of 64MB.
- The overall size of the image pool has a maximum of 100MB.
- Resolutions higher than 1920 x 1080 are scaled down automatically. 

 

## Guidelines for symbols:

- Use the supported file formats (for more information see [supported file formats](/grandma2/key_image_supported_file_formats/)).
- Maximum size of the canvas is 240 x 240.
- Maximum size of the image is 180 x 180.
- Outline of the symbol has to be 2 pixels in 50 % gray.
- Symbols have to be in alpha fill (transparent).
- The area around a symbol has to be black.