VIVOTEK FD8161. Maximum resolution: 1600 x 1200 pixels, Video formats supported: H.264, Analog signal format system: NTSC/PAL. Minimum illumination: 0 lx, Viewing angle, horizontal: 31.7 °, Viewing angle, vertical: 23.8 °. Sensor type: CMOS, Optical sensor size: 1/0.126 mm (1/3.2 "). Focal length range (f-f): 3 - 9 mm. Flash memory: 128 MB, Internal memory: 128 MB