Lorex LNZ4001i. Maximum resolution: 640 x 480 pixels, Video formats supported: M-JPEG, MPEG4, Supported graphics resolutions: 640 x 480 (VGA). Minimum illumination: 0 lx, Field of view (FOV) angle: 55 °, Tilt angle: 0 - 125 °. Sensor type: CMOS, Optical sensor size: 1/0.157 mm (1/4 "). Digital zoom: 10 x, Lens diameter: 4.3 mm. Built-in processor: ARM9