... • 2.8/4/6 mm Mega Pixel Fixed Lens included• Φ5 30pcs IR LED, IR Range 15 ... S/N Ratio39dB Electronic ShutterRolling ShutterInterfacesOptical lensInterfacesCS Mount (Interchangeable Lens)LensFixed Iris, Manual FocusFocal LengthFixed Focal, f4 mm ... ControlsColor saturation, hue, gamma, sharpness (edge enhancement), lens correction, defective pixel canceling, and noise cancelingAudio CompressionG.711Two ...