Q-See QSCCD4 2 Indoor & 2 Outdoor CCD Night Vision Cameras (Color) 2 QOCDC Cameras + 2 QPSCDNV Cameras QOCDC: 420 TV Lines Resolution, 6mm Lens, 30 ft. Night Vision QPSCDNV: 420 TV Lines, 3.5mm-8mm Varifocal Lens, 30 ft. Night Vision 4 - 60 ft. Cable &amp; Power Adapter Included