Y-cam YCK002. Maximum resolution: 640 x 480 pixels, Video formats supported: MJPEG, MPEG-4, Analog signal format system: VGA. Minimum illumination: 1 lx, Viewing angle, horizontal: 53.4 °, Viewing angle, vertical: 40 °. Sensor type: CMOS, Optical sensor size: 1/0.157 mm (1/4 "). Focal length range (f-f): 2 - 2.5 mm. Security algorithms supported: 64/128 bit WEP, WPA, WPA2