GW Security Professional 1/3 Inch Sony Exview HAD CCD II with Effio-E DSP Devices Security Camera - 700 TV Lines, 2.8-12mm Varifocal Lens, 36 IR LED, WDR, OSE Menu Enhanced Features and Fine Image Processor OSD/2D-DNR/BLC/MD/Privacy Masking Zoom & focus outside adjusting