GW Security Professional Outdoor 1/3-Inch Sony Exview HAD CCD II with Effio-E DSP Devices, 700 TV Lines, 2.8-12mm Varifocal Lens, 42 IR LED CCTV Surveillance Video Security Camera Enhanced Features and Fine Image Processor OSD/2D-DNR/BLC/Privacy Masking; Zoom & focus outside adjusting Auto Gain Control; Suitable for wall installing