Can someone please tell me exactly?

Max size is 400x150 and 70kb

Signature Rules and Guidelines (violations may result in loss of rights to have a signature):

The entire size of your signature shall not exceed 400 pixels wide by 150 pixels high.
Text sections of your signature shall not exceed 6 lines of text if you include no images, and 3 lines of text if you have an image.
Total size of the images contained in your signature shall not exceed 70 kilobytes.

For future reference, you can view the signature rules and guidelines in the following help document: http://forums.d2jsp.org/info.php?p=9

Hello sir,

You can find those informations in d2jsp Site Rules : http://forums.d2jsp.org/info.php?p=9&l=0

Helpful links :

- How To Check Avatar And Signature Dimensions : http://forums.d2jsp.org/topic.php?t=18298172&f=34
- General Help Unified Sticky : http://forums.d2jsp.org/topic.php?t=47930095&f=34