Color dome camera, 0.1Lux, 3.6-6mm lens, for ceiling use. Color dome camera NLD-8634: 1/3" color Sony Super HAD CCD, 540TVL; Color dome camera NLD-8638: 1/3" color Sony Super HAD CCD, 480TVL; Color dome camera NLD-8632: 1/3" color Sony Super HAD CCD, 420TVL; Color dome camera NLD-8630: 1/4"color Sharp CCD, 420TVL.