4XEM 4X-IP7151. Maximum resolution: 640 x 480 pixels, Video formats supported: MPEG-4, Frame rate: 30 fps. Camera shutter speed: 1/30 - 1/15000 s. Sensor type: CCD, Optical sensor size: 1/0.157 mm (1/4 "). Focal length range (f-f): 2.9 - 8.2 mm. Built-in processor: Trimedia PNX1300