You are not old if you know this is a recording device. You are old, however, if you identified it as a Betamax™. If you owned one of these, just give up now and admit you are old.
If you were getting ready to discuss the pros and cons of Betamax and VHS and had a prepared speech about how the DVD ultimately put the final nail in the coffin of magnetic tape, then you are not old, you just need a new hobby.