Swann SW231-SCK. Maximum resolution: 628 x 582 pixels. Minimum illumination: 0 lx, Camera shutter speed: 1/50 - 1/15000 s. Sensor type: CMOS, Optical sensor size: 1/0.118 mm (1/3 "). Focal length range (f-f): 0 - 4 mm. Signal-to-Noise Ratio (SNR): 48 dB