Pocket Microscope with light Source, with automatic pressurizing devise (It can make the voltage of two AAA batteries increase from 3V to 4.5V and enhance the brightness of LED lamp. MG10085-3A 40X-100X-150X
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Pocket Microscope with light Source, with automatic pressurizing devise (It can make the voltage of two AAA batteries increase from 3V to 4.5V and enhance the brightness of LED lamp. MG10085-3A 40X-100X-150X กกกก |