Security dome camera, 0.1Lux, 3.6-6mm lens, for ceiling use. Security dome camera NLD-8614: 1/3" color Sony Super HAD CCD, 540TVL; Security dome camera NLD-8618: 1/3" color Sony Super HAD CCD, 480TVL; Security dome camera NLD-8612: 1/3" color Sony Super HAD CCD, 420TVL; Security dome camera NLD-8610: 1/4"color Sharp CCD, 420TVL.