Samsung SCV-3120. Minimum illumination: 0.001 lx, Viewing angle, horizontal: 54.44 °, Viewing angle, vertical: 41.42 °. Sensor type: CCD, Optical sensor size: 1/0.157 mm (1/4 "). Optical zoom: 12 x, Digital zoom: 16 x, Focal length range (f-f): 3.6 - 44.3 mm. Connectivity technology: Wired. Signal-to-Noise Ratio (SNR): 52 dB, Frequency range: 15.625 - 50 Hz