Pro Guard System to Remote Reference Share Pro Guard 2300 = 493TPro Guard 2500 = 491T (Discontinued, use 485M)Pro Guard 4700 = 493CPro Guard 4800 = 493CPro Guard 7100 = 493CPro Guard 7200 = 484T Share Previous articleNext article Join Us Sign Up for best offers Your email Subscribe100% free, Unsubscribe any time! Follow us