Atlantis Land V420-20W. Maximum resolution: 500 x 582 pixels, Analog signal format system: NTSC, PAL, NTSC resolutions: 510 x 492 pixels. Minimum illumination: 0 lx, Viewing angle, horizontal: 53 °, Viewing angle, vertical: 41 °. Sensor type: CCD, Optical sensor size: 1/0.157 mm (1/4 "). Fixed focal length: 3.6 mm. Night vision distance: 15 m, LED type: IR, Infra-red wavelength: 850 nm