... : 1. Image Sensor: 1/3" SONY cctv camera 2. Effective Pixels: PAL: 795(H)*596(V) NTSC: 811 ... IR distance:60mKDM-6225A1/3"Sony CCD, 480TVLKDM-6225B1/3"Sony CCD, 420TVLKDM-6220A1/3"Sony CCD, 480TVL0.001Lux/F1 ... big-power IR LEDs, IR Distance:100mKDM-6221B1/4"Sony CCD, 480TVL, electric focus 27X zoom, w/ ... LEDs, IR distance:100mKDM-6222A1/3"Sony CCD, 480TVLKDM-6222B1/3"Sony CCD, 420TVL Your valuable advice is ...