Cisco CIVS-IPC-2531V. Maximum resolution: 720 x 480 pixels, Video formats supported: MPEG-4, MJPEG, Analog signal format system: NTSC/PAL. Minimum illumination: 0.65 lx, Viewing angle, horizontal: 22 °, Viewing angle, vertical: 17 °. Sensor type: CMOS, Optical sensor size: 1/0.118 mm (1/3 "). Digital zoom: 3.5 x. Signal-to-Noise Ratio (SNR): 48 dB