I do not know the factory technical data

I checked the operation using a DC power supply

price is for 1pcs

     actual picture - item being sold - is presented on plotting [mm] paper 

one small grating on paper = 1 millimeter

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Items will be shipped from Poland via international registered mail
within 2-3 business days after payment is received and verified

I always try to combine delivery to the same ebuyer
after shopping ask me only about cost all items you bought in one box