How long does the "remember me" option last for?

When you sign into your account, after entering your account details, you will be sent a code via SMS that you will be asked to enter This is called Two Fact Authentication, and it helps us ensure the safety of your account.

When you enter these details you will be given the option to have the website "remember" you. If you select this, you will not be asked to enter this code again for 90 days.