This will only work with the Richmat Mattress Firm 300 bases that featured the identical remote as the first one pictured. If your original remote looked differently this will not work. As of 2020, the new remotes have been replaced by the manufacturer with one of the three remotes pictured (based on current supply chains. You will receive one of three Remotes plus or minus a memory button but all will have at least one) but all functionality remains the same (there may be a few extra massage buttons that wont be functional since your bed didn't have massage but all others will work the same!).