Abstract: A miniaturized image capturing device comprises: a lens base, which has a first open and a second open; at least one light source, which is disposed on a first PCB and around the periphery of the first open; at least one lens, which is accommodated in the lens base and close to the first open; a lens holder, which is accommodated in the lens base for holding the lens; at least one image sensor, which is accommodated in the lens base and close to the second open, the image sensor having an imaging region therein; and a PCB, which is electrically connected to the image sensor through a plurality of sensor signal pads.