The enclosures of the EH2500 Series are rain- and dustproof to protect CCTV cameras from adverse environmental conditions. Constructed from aluminum, the enclosures are compact and lightweight. They can be installed on fixed mounts or pan/tilt units. The EH2500 Series can accommodate a variety of cameras with fixed focal length or motorized zoom lenses. The enclosures have an outside diameter of 4.25 inches (10.80 cm) and are available in three lengths: 8 inches (20.32 cm), 12 inches (30.48 cm), and 15 inches (38.10 cm). The CC3701H-2 Series is a high-resolution, high sensitivity, general purpose digital camera with 480 TV lines. The camera features two color balance settings, automatic gain control, digital signal processing, automatic backlight compensation, and line lock. To adjust one of the camera?s many fine-tuning features, just reset the corresponding DIP switch, readily available on the left side of the camera. Utilizing innovative technology (patent pending), the CC3701H-2 Se