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Hey Spectra System Polaroid Camera owners! Help?!? - polaroid instant camera batteries one of the best polaroids

I inherited a perfect instant camera Polaroid Spectra! So excited.
But here's the bad news
the two rear lights
Red and green.
A red arrow saying "loading"
Green is the that, "says Ready

But I have a charger is not in the case?
This camera is the battery?
or do I need a charger that I can not?
If so, where can I get this magazine?
Links?
also,
Where can I get the film into a system of Spectra?

Please help!