420 line Sony Super HAD CCD imager bines halo diffuser with high quality optical glass and 12 high output IR LEDS to generate a crisp and clear image even in adverse conditionsIR partment is isolated from the imager port so IR feedback is removed from imageEasily removable sunshield and heavy duty swivel mount allow for precise viewing alignment3.6mm wide angle lens generates 20" (vertical) x 26" (horizontal) image at 20" distanceCamera can be used outdoors when mounted under a protective covering sheltered from direct rain such as an awning eave or soffit.