You should at least give some details about the project, what it is about, what's the capital needed, what's your business plan, etc? If you want to attract someone interested you need to give some substance. Other than a PM. It saves your time and other too. @DarkDays is right you'll get only time waster. and when not, it may be you the time waster

There are places where people are ready to send a 15-page pdf just as an introduction, not saying you should, but introduce what you're looking exactly