Camera module and portable electronic device using same

A portable electronic device, comprising:

• a front housing comprising a first camera window;
• a rear housing comprising a second camera window opposite to the first camera window and an engaging slot;
• and
• a camera module secured in and located between the front housing and the rear housing, the camera module comprising:
• an imaging unit;
• a rotary disk fixed to the imaging unit;
• a transmission follower gear-driving the rotary disk;
• a handle member comprising a handle portion, the handle member engaging the transmission follower;
• a mounting member defining a sliding slot, the handle portion slidably engaging into the sliding slot and the engaging slot, the sliding of the handle portion relative to the sliding slot enables rotation of the transmission follower and an accompanying rotation of the rotary disk and the imaging unit to alternatively align with the first camera window and the second camera window.