A portable electronic device may include a housing, a display at least partially within the housing, a front cover coupled to the housing and positioned over the display, and a biometric sensor module configured to illuminate an object and capture an image of the object through the front cover. The biometric sensor module may include a first lens positioned below the front cover, a first light source positioned below the first lens and configured to project, through the first lens, a dot pattern on the object, a second light source positioned below the first lens and configured to illuminate, through the first lens, the object with a flood of light, a second lens positioned below the front cover, and a light sensor positioned below the second lens and configured to capture an image of the object.