Casio ac adaptor dc 4.5 2A interface unit fx-850P 60HZ

Casio ac adaptor dc 4.5 2A interface unit fx-850P 60HZ

Electronic devices draw 120 volts of alternating currents (AC)
These electronics are designed to operate at a much lower
voltage of direct current (DC)
The devices that perform that conversion are called
Most homes have 5-10 devices that use external power supplies
Such as my luck here to provide you with one!!!!
This is a robust, strong Power adaptor
I tested it and it works fine.
Still, if you change your mind send it back